SOLBERG, K. L.; NIELSON, H. R. Strictness and Totality Analysis. DAIMI Report Series, [S. l.], v. 23, n. 474, 1994. DOI: 10.7146/dpb.v23i474.6947. Disponível em: https://tidsskrift.dk/daimipb/article/view/6947. Acesso em: 14 jan. 2025.