LARSEN, K. G.; NYMAN, U.; WASOWSKI, A. An Interface Theory for Input/Output Automata. BRICS Report Series, [S. l.], v. 13, n. 11, 2006. DOI: 10.7146/brics.v13i11.21916. Disponível em: https://tidsskrift.dk/brics/article/view/21916. Acesso em: 3 may. 2024.