HENKE, M.; KNIEMEYER, O.; KURTH, W. Realization and Extension of the Xfrog Approach for Plant Modelling in the Graph-Grammar Based Language XL. COMPUTING AND INFORMATICS, [S. l.], v. 36, n. 1, p. 33–54, 2017. Disponível em: https://www.cai.sk/ojs/index.php/cai/article/view/2017_1_33. Acesso em: 9 jun. 2023.