HUBER, P.; JENSEN, A. M.; JEPSEN, L. O.; JENSEN, K. Towards Reachability Trees for High-level Petri Nets. DAIMI Report Series, [S. l.], v. 13, n. 174, 1985. DOI: 10.7146/dpb.v13i174.7449. Disponível em: https://tidsskrift.dk/daimipb/article/view/7449. Acesso em: 9 may. 2024.