BENWELL, G.; MACDONELL, S. Assessing the Graphical and Algorithmic Structure of Hierarchical Coloured Petri Net Models. Australasian Journal of Information Systems, Australia, v. 2, n. 1, 1994. DOI: 10.3127/ajis.v2i1.412. Disponível em: https://journal.acs.org.au/index.php/ajis/article/view/412. Acesso em: 25 apr. 2024.