HUBER, Peter; JENSEN, Arne M.; JEPSEN, Leif Obel; JENSEN, Kurt. 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: 5 feb. 2026.