Henke, M., Kniemeyer, O., & Kurth, W. (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. Retrieved from https://www.cai.sk/ojs/index.php/cai/article/view/2017_1_33