NIELSEN, Mogens; WINSKEL, Glynn. Petri Nets and Bisimulations. BRICS Report Series, [S. l.], v. 2, n. 4, 1995. DOI: 10.7146/brics.v2i4.19506. Disponível em: https://tidsskrift.dk/brics/article/view/19506. Acesso em: 5 dec. 2025.