Smoleňová, Katarína, Winfried Kurth, and Paul-Henry Cournède. “Parallel Graph Grammars With Instantiation Rules Allow Efficient Structural Factorization of Virtual Vegetation”. Electronic Communications of the EASST 61 (June 25, 2013). Accessed October 22, 2024. https://eceasst.org/index.php/eceasst/article/view/2048.