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====== Publications related to GroIMP ======

work in progress !

===== Articles =====

==== 2022 ====

**Chi F., Streit K., Tavkhelidze A., and W. Kurth (2022).** Reconstruction of phyllotaxis at the example of digitized red mangrove (Rhizophora mangle) and application to light interception simulation. in silico Plants 4 (1): diac002.  https://academic.oup.com/insilicoplants/article/4/1/diac002/6535671

==== 2020 ====

**Kurth W. (2020).** Multiscale graph grammars can generate Cayley graphs of groups and monoids. In: F. Gadducci, T. Kehrer (eds.): Graph Transformation. 13th International Conference, ICGT 2020, June 25-26, Lecture Notes in Computer Science 12150, Springer Nature Switzerland, pp. 307-315.  https://link.springer.com/chapter/10.1007/978-3-030-51372-6_18

==== 2019 ====

**Fabrika M., Scheer L., Sedmák R., Kurth W., and M. Schön (2019).** Crown architecture and structural development of young Norway spruce trees (Picea abies Karst.): A basis for more realistic growth modelling. BioResources 14 (1): 908-921.

==== 2018 ====

**Henke M., and G.H. Buck-Sorlin (2018).** Using a full spectral raytracer for calculating light microclimate in functional-structural plant modelling. Computing and Informatics 36 (6): 1492-1522.

**Long Q., Kurth W., Pradal C., Migault V., and B. Pallas (2018).** An architecture for the integration of different functional and structural plant models. In: Proceedings of the 7th Internat. Conf. on Informatics, Environment, Energy and Applications IEEA 2018, 28-31 March 2018, Beijing, China, ACM Press, Beijing 2018, ISBN 978-1-4503-6362-4, pp. 107-113.

**Merklein J., Poirier-Pocovi M., Buck-Sorlin G., Kurth W., and Q. Long (2018).** A dynamic model of xylem and phloem flux in an apple branch. In: 6th Internat. Symposium on Plant Growth Modeling, Simulation, Visualization and Applications PMA 2018, 4-8 Nov. 2018, Hefei, China. IEEE, pp. 50-55.

==== 2017 ====

**Henke M., Kniemeyer O., and W. Kurth (2017).** Realization and extension of the Xfrog approach for plant modelling in the graph-grammar based language XL. Computing and Informatics 36 (1): 33-54.

**Kurth W., and Y. Ong (2017).** A design pattern in XL for implementing multiscale models, demonstrated at a fruit tree simulator. Proceedings X Int. Symp. on Modelling in Fruit Research and Orchard Management, Acta Horticulturae 1160: 35-41.

**Long Q., and W. Kurth (2017).** A logical data exchange model for adapting different methods abstracting plant architecture. In: 2017 2nd International Conference on Knowledge Engineering and Applications ICKEA 2017, Oct. 21-23, 2017, Imperial College London, UK (IEEE 2017), ISBN 978-1-5386-2149-3, pp. 39-43.


==== 2016 ====

**Chi F., Kurth W., and K. Streit (2016).** Generating 3D models from a single 2D digitized photo using GIS and GroIMP. In: Proceedings 2016 IEEE International Conference on Functional-Structural Plant Growth Modeling, Simulation, Visualization and Applications (FSPMA 2016), 7-11 Nov. 2016, Qingdao (China), IEEE Press, Beijing 2016, 22-27.

**Evers J.B., and L. Bastiaans (2016).** Quantifying the effect of crop spatial arrangement on weed suppression using functional-structural plant modelling. Journal of Plant Research 129: 339–351.

**Henke M., Kurth W., and G. Buck-Sorlin (2016).** FSPM-P: Towards a general Functional-Structural Plant Model for efficient model development. Frontiers of Computer Science 10: 1103-1117. http://dx.doi.org/10.1007/s11704-015-4472-8

**Streit K., Henke M., Bayol B., Cournède P.-H., Sievänen R., and W. Kurth (2016).** Impact of geometrical traits on light interception in conifers: analysis using an FSPM for Scots pine. In: Proceedings 2016 IEEE International Conference on Functional-Structural Plant Growth Modeling, Simulation, Visualization and Applications (FSPMA 2016), 7-11 Nov. 2016, Qingdao (China), IEEE Press, Beijing 2016, 194-203.


==== 2015 ====


**Zhu J., Van der Werf W., Anten N.P.R., Vos J., and J.B. Evers (2015).** The contribution of phenotypic plasticity to complementary light capture in plant mixtures. New Phytologist 207: 1213–1222.

**Utama D.N., Ong Y., Streit K., and W. Kurth (2015).** Determining the influence of plant architecture on light interception of virtual rice plants on the simulation platform GroIMP. In: A. N. M. Roseli, T. F. Ying, N. Osman et al. (eds.), Enhancing Strategic Plant Physiological Research and Technologies for Sustainable Resources. Proceedings of the International Conference on Plant Physiology, Bali, Indonesia, 26-28 August 2014, Malaysian Society of Plant Physiology / Indonesian Coffee and Cocoa Research Institute. ISBN 978-967-10840-4-5: 92-101.
http://mspp.org.my/files/FullPapers_TransactionMSPPVol23.pdf


==== 2014 ====

**Bongers F.J., Evers J.B., Anten N.P.R., and R. Pierik (2014).** From shade avoidance responses to plant performance at vegetation level: using virtual plant modelling as a tool. New Phytologist 204: 268–272.

**Gu S., Evers J.B., Zhang L., Mao L., Zhang S., Zhao X., Liu S., Van der Werf W., and Z. Li. (2014).** Modelling the structural response of cotton plants to mepiquat chloride and population density. Annals of Botany 114: 877–887.

**Wang X., Zhang L., Evers J.B., Mao L., Wei S., Pan X., Zhao X., van der Werf W., and Z. Li. (2014).** Predicting the effects of environment and management on cotton fibre growth and quality: a functional-structural plant modelling approach. AoB PLANTS 6: plu040–plu040.

**Ong Y., Streit K., Henke M., and W. Kurth. (2014).** An approach to multiscale modelling with graph grammars. Annals of Botany, 114 (4): 813-827.

**Zhu J., Andrieu B., Vos J., Van der Werf W., Fournier C., and J.B. Evers. (2014).** Towards modelling the flexible timing of shoot development: simulation of maize organogenesis based on coordination within and between phytomers. Annals of Botany 114: 753–762.

**Henke M., Sarlikioti V., Kurth W., Buck-Sorlin G., and L. Pagès. (2014).** Exploring root developmental plasticity to nitrogen with a three-dimensional architectural model. Plant and Soil, 385 (1): 49-62.

**Ong Y., and W. Kurth. (2014).** Developing multiscale simulation models using the software GroIMP. In: Jochen Wittmann, Dimitris K. Maretis (eds.): Simulation in den Umwelt- und Geowissenschaften. Workshop Osnabrück. Shaker Verlag, Aachen 2014, 51-64. http://www.uni-forst.gwdg.de/%7Ewkurth/ong_kurth2014.pdf

**Chen T-W, Henke M., de Visser P., Buck-Sorlin G., Kahlen K., Wiechers D., and H. Stützel. (2014).** What is the most prominent factor limiting photosynthesis in different layers of a greenhouse cucumber canopy? Annals of Botany, 114:677–688.


==== 2013 ====

**Hemmerling R., Evers J.B., Smolenova K., Buck-Sorlin G., and W. Kurth (2013).** Extension of the GroIMP modelling platform to allow easy specification of differential equations describing biological processes within plant models. Computers and Electronics in Agriculture 92: 1-8.

**Smolenova K., Kurth W., and P.-H Cournède. (2013).** Parallel graph grammars with instantiation rules allow efficient structural factorization of virtual vegetation. Electronic Communications of the EASST 61. 17 S.  http://citeseerx.ist.psu.edu/viewdoc/download?doi=10.1.1.680.2167&rep=rep1&type=pdf

**Kniemeyer O., and W. Kurth. (2013).** XL4C4D–Adding the Graph Transformation Language XL to CINEMA 4D. GCM 2012 (2013): 64.

**Ong Y., Smolenová K., Henke M., and W. Kurth. (2013).** Integrating multiple scale dynamics: Application to Fagus sylvatica under ozone exposure. In: R. Sievänen, E. Nikinmaa, C. Godin, A. Lintunen and P. Nygren (eds.), Proceedings of the 7th International Conference on Functional-Structural Plant Models, Saariselkä, Finland, 9-14 June 2013. ISBN 978-951-651-408-9: 192-194. http://www.metla.fi/fspm2013/proceedings.htm

**Chen T-W., Henke M., Kahlen K., de Visser P.H.B., Buck-Sorlin G., and H. Stützel.(2013).** Revealing the relative importance of photosynthetic limitations in cucumber canopy. In: R. Sievänen, E. Nikinmaa, C. Godin, A. Lintunen and P. Nygren (eds.), Proceedings of the 7th International Conference on Functional-Structural Plant Models, Saariselkä, Finland, 9-14 June 2013. ISBN 978-951-651-408-9: 124-126. http://www.metla.fi/fspm2013/proceedings.htm

**Smolenová K., Henke M., Ong Y., and W. Kurth. (2013).** Rule-based integration of LIGNUM into GroIMP. In: R. Sievänen, E. Nikinmaa, C. Godin, A. Lintunen and P. Nygren (eds.), Proceedings of the 7th International Conference on Functional-Structural Plant Models, Saariselkä, Finland, 9-14 June 2013. ISBN 978-951-651-408-9: 214-216. http://www.metla.fi/fspm2013/proceedings.htm

**Henke M., Smolenová K., Ong Y., and W. Kurth. (2013).** An extension of the graph-grammar based simulator GroIMP for visual specification of plant models using components. In: R. Sievänen, E. Nikinmaa, C. Godin, A. Lintunen and P. Nygren (eds.), Proceedings of the 7th International Conference on Functional-Structural Plant Models, Saariselkä, Finland, 9-14 June 2013. ISBN 978-951-651-408-9: 217-219. http://www.metla.fi/fspm2013/proceedings.htm


==== 2012 ====

**Kurth W., Kniemeyer O., and B. Sloboda. (2012).** Forest structure, competition and plant-herbivore interaction modelled with relational growth grammars. Lesnícky časopis – Forestry Journal, 58 (2): 75-91.

**de Wit M., Kegge W., Evers J.B., Vergeer-van Eijk M.H., Gankema P., Voesenek L.A.C.J., and R. Pierik. (2012).** Plant neighbor detection through touching leaf tips precedes phytochrome signals. Proceedings of the National Academy of Sciences of the United States of America 109: 14705–10.

**Smolenova K., Henke M., and W. Kurth. (2012).** Rule-based integration of GreenLab into GroIMP with GUI aided parameter input. In: M. Kang, Y. Dumont, Y. Guo (eds.), The 4th International Symposium on Plant Growth Modeling, Simulation, Visualization and Applications (PMA 12), Shanghai, China, 31 October to 03 November 2012. IEEE: 347-354.

**Xu L., Ding W., Zhu J., Henke M., Kurth W., and G. Buck-Sorlin. (2012).** Simulating Superior Genotypes for Plant Height based on QTLs: Towards Virtual Breeding of Rice. In: M. Kang, Y. Dumont, Y. Guo (eds.), The 4th International Symposium on Plant Growth Modeling, Simulation, Visualization and Applications (PMA 12), Shanghai, China, 31 October to 03 November, 2012. IEEE: 447-454.

**Ong Y. (2012).** Multi-scale rule-based graph transformation using the programming language XL. In: H. Ehrig, G. Engels, H.-J. Kreowski, G. Rozenberg (eds.): Graph Transformations. 6th International Conference, ICGT 2012, Bremen, September 2012, Lecture Notes in Computer Science 7562, Springer, Berlin etc., 417-419.

**Ong Y., and W. Kurth (2012).** A graph model and grammar for multi-scale modelling using XL. In: J. Gao, R. Alhaij, W. Dubitzky, L. Ungar, C. Wu, A. Christianson, M. Liebman, and X. Hu (eds.), IEEE International Conference on Bioinformatics and Biomedicine Workshops, Philadelphia, USA. 4-7 October, 2012, Proceedings, IEEE Computer Society, Los Alamitos, ISBN 978-1-4673-2746-6: 1-8.
http://ieeexplore.ieee.org/xpls/abs_all.jsp?arnumber=6470293&tag=1

**Kniemeyer O., and W. Kurth (2012).** XL4C4D – Adding the Graph Transformation Language XL to CINEMA 4D. In: T. Margaria, J. Padberg, and G. Taentzer (eds.), Proceedings of the Fourth International Workshop on Graph Computation Models, Bremen, Germany, 28-29 September 2012. http://citeseerx.ist.psu.edu/viewdoc/download?doi=10.1.1.378.2555&rep=rep1&type=pdf#page=70


==== 2011 ====

**Xu L., Henke M., Zhu J., Kurth W., and G. Buck-Sorlin. (2011).** A functional–structural model of rice linking quantitative genetic information with morphological development and physiological processes. Annals of Botany 107(5): 817–828.

**Buck-Sorlin G., de Visser P.H.B., Henke M., Sarlikioti V., van der Heijden G.W.A.M., Marcelis L.F.M., and J. Vos. (2011).** Towards a functional-structural plant model of cut-rose – simulation of light environment, light absorption, photosynthesis and interferences with the plant structure. Annals of Botany, FSPM2010 Special Issue 108(6): 1121-1134.

**Kurth W., and D. Lanwert. (2011).** Grammar-based models and fractals. In: Jopp F., Reuter H., and Breckling B. (Hg.). Springer Verlag. Heidelberg: 147-161.

==== 2010 ====

**Smolenová K., Buck-Sorlin G., Hemmerling R., and W. Kurth. (2010).** Extension of a functional-structural model of barley for modelling of carbon and nitrogen partitioning. In: T. DeJong, and D. Da Silva (eds.), Proceedings of the 6th International Workshop on Functional-Structural Plant Models (FSPM10), Davis, California, USA. 12-17 September, 2010. University of California, 27-29.

**Hemmerling R., Evers J.B., and W. Kurth. (2010).** Easy specification of differential equations describing biological processes, exemplified for plant hormone dynamics. In: T. DeJong,and D. Da Silva (eds.), Proceedings of the 6th International Workshop on Functional-Structural Plant Models (FSPM10), Davis, California, USA. 12-17 September, 2010, University of California, 158-160.

**Buck-Sorlin G., de Visser P.H.B., Henke M., Burema B., Heuvelink E., Marcelis L.F.M., van der Heijden G.W.A.M, and J. Vos. (2010).** SIMPLER: An FSPM coupling Shoot production, human Interaction with the structure, Morphogenesis, Photosynthesis and Light Environment in cut-Rose. In: T. DeJong, and D. Da Silva (eds.), Proceedings of the 6th International Workshop on Functional-Structural Plant Models (FSPM10), Davis, California, USA. 12-17 September 2010, University of California, 222-224.

**Hemmerling R., Smolenová K., and W. Kurth. (2010).** A programming language tailored to the specification and solution of differential equations describing processes on networks. In: Adrian-Horia Dediu, Henning Fernau, and Carlos Martín-Vide (eds.), Language and Automata Theory and Applications. 4th International Conference, LATA 2010, Trier, Germany, 24-28 May, 2010, Lecture Notes in Computer Science 6031, Springer, Berlin etc., 297-308.

**Xu L., Henke M., Zhu J., Kurth W., Buck-Sorlin G. (2010).** A rule-based functional-structural model of rice considering source and sink functions. In: B. Li, M. Jaeger, and Y. Guo (eds.), The Third International Symposium on Plant Growth Modeling, Simulation, Visualization and Applications (PMA 09), Beijing, China, 9-13 November, 2009, Los Alamitos. IEEE: 245-252.

**Buck-Sorlin G., Hemmerling R., Vos J., and P.H.B. de Visser. (2010).** Modelling of spatial light distribution in the greenhouse: Description of the model. In: B. Li, M. Jaeger, and Y. Guo (eds.), The Third International Symposium on Plant Growth Modeling, Simulation, Visualization and Applications (PMA 09), Beijing, China, 9-13 November, Los Alamitos. IEEE: 79-86.


==== 2008 ====

**Smoleňová, K., and R. Hemmerling. (2008).** Growing virtual plants for virtual worlds. In: SCCG ’08: Proceedings of the Spring Conference on Computer Graphics, K. Myszkowski (Hrsg.), 77–84.

**Kniemeyer O., Barczik G., Hemmerling R., W. Kurth (2008).** Relational Growth Grammars – a parallel graph transformation approach with applications in biology and architecture. In: Applications of Graph Transformations with Industrial Relevance AGTIVE ’07, A. Schürr, M. Nagl, and A. Zündorf (eds.), International Workshop Kassel, 10-12 October, 2007. Lecture Notes in Computer Science 5088, Springer, Berlin etc., 152–167.

**Rensink A., Dotor A., Ermel C., Jurack S., Kniemeyer O.**, de Lara J., Maier S., Staijen T., and A. Zündorf. (2008). Ludo: A case study for graph transformation tools. In: Applications of Graph Transformations with Industrial Relevance AGTIVE. A. Schürr, M. Nagl, and A. Zündorf (eds.), International Workshop Kassel, 10-12 October, 2007. Lecture Notes in Computer Science 5088, Springer, Berlin etc., 493-513.

**Varró D., Asztalos M., Bisztray D., Boronat A., Dang D-H., Geiß R., Greenyer J., Van Gorp P., Kniemeyer O., Narayanan A., Rencis E., and E. Weinell. (2008).** Graph transformation tool contest on the transformation of UML models to CSP. In: Applications of Graph Transformations with Industrial Relevance AGTIVE ’07, A. Schürr, M. Nagl, and A. Zündorf (eds.), International Workshop Kassel, 10-12 October, 2007. Lecture Notes in Computer Science 5088, Springer, Berlin etc., 540-565.

**Hemmerling R., Kniemeyer O., Lanwert D., Kurth W., and G. Buck-Sorlin. (2008).** The rule-based language XL and the modelling environment GroIMP illustrated with simulated tree competition. Functional Plant Biology, 35: 739–750.

**Buck-Sorlin G., Hemmerling R., Kniemeyer O., Burema B., and W. Kurth. (2008).** A rule-based model of barley morphogenesis, with special respect to shading and Gibberellic acid signal transduction. Annals of Botany, 101 (8): 1109–1123.

**Kniemeyer O, and W. Kurth. (2008).** The modelling platform GroIMP and the programming language XL. In: Applications of Graph Transformations with Industrial Relevance AGTIVE ’07, A. Schürr, M. Nagl, and A. Zündorf (eds.). International Workshop Kassel, 10-12 October, 2007, Lecture Notes in Computer Science 5088, Springer, Berlin etc., 570–572.

**Buck-Sorlin G., Kniemeyer O., and W. Kurth (2008).** A model of poplar (Populus sp.) physiology and morphology based on Relational Growth Grammars. In: Mathematical Modeling of Biological Systems, Vol. II. Proceedings of ECMTB05, Dresden, Germany. A. Deutsch, R. Bravo de la Parra, R. J. de Boer, O. Diekmann, P. Jagers, E. Kisdi, M. Kretzschmar, P. Lansky, and H. M. Birkhäuser (eds.), Boston / Basel / Berlin, 313–322.

==== 2007 ====

**Kurth W. (2007).** Specification of morphological models with L-systems and Relational Growth Grammars. Image – Journal of Interdisciplinary Image Science, Vol. 5 / Special Issue.

**Kniemeyer O., Buck-Sorlin G., and W. Kurth. (2007).** GroIMP as a platform for functional-structural modelling of plants. In: Functional-Structural Plant Modelling in Crop Production, J. Vos, L. F. M. Marcelis, P. H. B. deVisser, P. C. Struik, and J. B. Evers (eds.). Proceedings of a workshop held in Wageningen, Netherlands. 5-8 March 2006. Springer, Berlin, 43–52.

**Buck-Sorlin G., Kniemeyer O., and W. Kurth. (2007).** A grammar-based model of barley including virtual breeding, genetic control and a hormonal metabolic network. In: Functional-Structural Plant Modelling in Crop Production, J. Vos, L. F. M. Marcelis, P. H. B. deVisser, P. C. Struik, and J. B. Evers (eds.). Proceedings of a workshop held in Wageningen, Netherlands. 5-8 March 2006. Springer, Berlin, 243–252.

==== 2006 ====

**Buck-Sorlin G., Kniemeyer O., and W. Kurth (2006).** Physiologie und Morphologie der Pappel (Populus sp.) modelliert mit Relationalen Wachstumsgrammatiken. In: U. Wunn (ed.), DVFFA Sektion Forstliche Biometrie und Informatik, 17. Tagung, Freiburg, Deutschland, 26.-28 September 2005. Die Grüne Reihe (ISSN 1860-4064): 1-11.
**
Kurth W., Buck-Sorlin G., and O. Kniemeyer (2006).** Relationale Wachstumsgrammatiken: Ein Formalismus zur Spezifikation multiskalierter Struktur-Funktions-Modelle von Pflanzen. In: Modellierung pflanzlicher Systeme aus historischer und aktueller Sicht. Symposium zu Ehren von Prof. Dr. Dr. h.c. Eilhard Alfred Mitscherlich, Schriftenreihe des Landesamtes für Verbraucherschutz, Landwirtschaft und Flurneuordnung Brandenburg, Reihe Landwirtschaft, Band 7, 36-45. http://www.uni-forst.gwdg.de/~wkurth/cb/html/mitsch.pdf
**
Buck-Sorlin G., Hemmerling R., Kniemeyer O., Burema B., and W. Kurth (2006).** New rule-based modelling methods for radiation and object avoidance in virtual plant canopies. In: Proceedings of the Second International Symposium on Plant Growth Modeling, Simulation and Visualization, Beijing, China, 13-17 November, 2006.

==== 2005 ====
**Buck-Sorlin G., Kniemeyer O., and W. Kurth (2005).** Barley morphology, genetics and hormonal regulation of internode elongation modelled by a Relational Growth Grammar. New Phytologist, 166: 859-867.

**Kurth W., Kniemeyer O., and G. Buck-Sorlin (2005).** Relational Growth Grammars – A Graph Rewriting Approach to Dynamical Systems with a Dynamical Structure. In: J.-P. Banatre, P. Fradet, J.-L. Giavitto, and O. Michel (eds.), Unconventional Programming Paradigms. International Workshop UPP2004, Le Mont Saint Michel, France, 15-17 September, 2004, Revised Selected and Invited Papers, Lecture Notes in Computer Science, Vol. 3566, Springer Verlag, Berlin, Heidelberg, 56-72.


==== 2004 ====

**Kniemeyer O. (2004).** Rule-based modelling with the XL/GroIMP software. In: H. Schaub, F. Detje, and U. Brüggemann (eds.), The Logic of Artificial Life. Proceedings of 6th GWAL, Bamberg, Germany, 14-16 April, 2004, AKA Akademische Verlagsgesellschaft Berlin, 56-65. http://wwwuser.gwdg.de/%7Egroimp/grogra.de/publications/gwal6.pdf  and  [ps.gz, 334.4 kB]

**Kniemeyer O., Buck-Sorlin G., and W. Kurth (2004).** A graph grammar approach to Artificial Life. Artificial Life, 10: 413-431.

==== 2003 ====

**Kniemeyer O, Buck-Sorlin G., and W. Kurth (2003).** Representation of genotype and phenotype in a coherent framework based on extended L-systems. In: W. Banzhaf, T. Christaller, P. Dittrich, J.T. Kim, and J. Ziegler (eds.), Advances in Artificial Life – Proceedings of the 7th European Conference on Artificial Life (ECAL). Lecture Notes in Artificial Intelligence, Vol. 2801, Springer Verlag, Berlin, Heidelberg, 625-634. http://www.uni-forst.gwdg.de/~wkurth/cb/html/ecal2003.pdf

==== 2000 ====

**Kurth W. (2000).** Towards universality of growth grammars: Models of Bell, Pagès, and Takenaka revisited. Annals of Forest Science, 57: 543-554. http://wwwuser.gwdg.de/%7Egroimp/grogra.de/publications/unigro.pdf

==== 1998 ====

**Kurth W. (1998).** Some new formalisms for modelling the interactions between plant architecture, competition and carbon allocation. Bayreuther Forum Ökologie, 52: 53-98. http://www.uni-forst.gwdg.de/~wkurth/cb/html/form.ps.gz

==== 1994 ====

**Kurth W. (1994).** Growth Grammar Interpreter GROGRA 2.4: A software tool for the 3-dimensional interpretation of stochastic, sensitive growth grammars in the context of plant modelling. Introduction and Reference Manual. Berichte des Forschungszentrums Waldökosysteme der Universität Göttingen, Ser. B, Vol. 38. http://citeseerx.ist.psu.edu/viewdoc/download?doi=10.1.1.37.968&rep=rep1&type=pdf


===== Dissertations =====

==== 2019 ====

**Stiehm Ch. (2019).** Interconnection of a Forest Growth Model and a Structural Model for Young Poplar Trees (Populus spp.). Ph.D. thesis, University of Göttingen, Germany.  https://ediss.uni-goettingen.de/bitstream/handle/21.11130/00-1735-0000-0005-1364-5/Diss.pdf?sequence=1

**Long Q. (2019).** The Integration of Different Functional and Structural Plant Models. Ph.D. thesis, University of Göttingen, Germany.

==== 2015 ====

**Yongzhi O. (2015).** Extension of the Rule-Based Programming Language XL by Concepts for Multi-Scaled Modelling and Level-of-Detail Visualization. Doctoral Thesis, University of Göttingen, Germany.  http://ediss.uni-goettingen.de/handle/11858/00-1735-0000-0022-5FC5-B

==== 2012 ====

**Hemmerling R. (2012).** Extending the Programming Language XL to Combine Graph Structures with Ordinary Differential Equations. Doctoral Thesis, University of Göttingen, Germany.  http://webdoc.sub.gwdg.de/diss/2012/hemmerling/

==== 2008 ====

**Kniemeyer O. (2008).** Design and Implementation of a Graph Grammar Based Language for Functional-Structural Plant Modelling. Doctoral Thesis, Technische Universität Cottbus, Germany.  http://opus.kobv.de/btu/volltexte/2009/593/pdf/thesis.pdf

===== Presentations =====

==== 2004 ====

**Kniemeyer O. (2004).** Rule-based modelling with the XL/GroIMP software, Presentation at the “6th German Workshop on Artificial Life” (GWAL6), 14-16 April 2004, Bamberg, Germany. http://wwwuser.gwdg.de/%7Egroimp/grogra.de/publications/gwal6_pres.pdf

**Kniemeyer O. (2004).** Demonstration of the GroIMP software, Presentation at the “4th International Workshop on Functional-Structural Plant Models” (FSPM04), 07-11 June 2004, Montpellier, France.  http://wwwuser.gwdg.de/%7Egroimp/grogra.de/publications/fspm04_ok_pres.pdf

===== Posters =====

==== 2013 ====

**Smolenová K., Henke M., Ong Y., and W. Kurth (2013).** Rule-based integration of LIGNUM into GroIMP. Poster on the 7th International Conference on Functional-Structural Plant Models (FSPM13), Saariselkä (Finland), 9.-14. 6. 2013.  http://www.uni-forst.gwdg.de/~wkurth/poster_fspm13_sm.pdf

==== 2010 ====

**Smolenová K., Hemmerling R., and W. Kurth. (2010).** Towards the reconstruction of historical gardens and parks using the techniques of FSPM. Poster on the “6th International Workshop on Functional-Structural Plant Modelling” (FSPM10), 12-17 September 2010, Davis, California, USA.   http://wwwuser.gwdg.de/%7Egroimp/grogra.de/publications/poster_fspm10_sm.pdf

**Henke M., Buck-Sorlin G., and W. Kurth (2010).** FSPM-P: A general FSPM prototype model for application in crop modelling. Poster on the “6th International Workshop on Functional-Structural Plant Modelling” (FSPM10), 12-17 September 2010, Davis, California, USA.  http://wwwuser.gwdg.de/%7Egroimp/grogra.de/publications/poster_fspm10_he.pdf

**Buck-Sorlin G., Sarlikioti V., Hemmerling R., and P.H. B. de Visser  (2010).** Comparison of two different light models using a virtual tomato crop. Poster on the “6th International Workshop on Functional-Structural Plant Modelling” (FSPM10), 12-17 September 2010, Davis, California, USA.

=== 2004 ===

**Buck-Sorlin G., Kniemeyer O., and W. Kurth. (2004).** Integrated grammar representation of genes, metabolites and morphology: The example of hordeomorphs, Poster on the “4th International Workshop on Functional-Structural Plant Models” (FSPM04), 07-11 June 2004, Montpellier, France.  http://wwwuser.gwdg.de/%7Egroimp/grogra.de/publications/fspm04_gbs_poster.pdf