WINSKEL, G.; NIELSEN, M. Models for Concurrency. DAIMI Report Series, [S. l.], v. 22, n. 463, 1993. DOI: 10.7146/dpb.v22i463.6936. Disponível em: https://tidsskrift.dk/daimipb/article/view/6936. Acesso em: 9 may. 2024.