KLARLUND, N. Time Representation and Use in Expert Systems. DAIMI Report Series, [S. l.], v. 15, n. 211, 1986. DOI: 10.7146/dpb.v15i211.7562. Disponível em: https://tidsskrift.dk/daimipb/article/view/7562. Acesso em: 9 may. 2024.