BENWELL, George; MACDONELL, Stephen. 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://ajis.aaisnet.org/index.php/ajis/article/view/412. Acesso em: 7 dec. 2025.