BRUNI, Roberto; MESEGUER, José; MONTANARI, Ugo; SASSONE, Vladimiro. A Comparison of Petri Net Semantics under the Collective Token Philosophy. BRICS Report Series, [S. l.], v. 5, n. 17, 1998. DOI: 10.7146/brics.v5i17.19423. Disponível em: https://tidsskrift.dk/brics/article/view/19423. Acesso em: 5 dec. 2025.