RIIS, H.; SKYUM, S. K-Visit Attribute Grammars. DAIMI Report Series, [S. l.], v. 9, n. 121, 1980. DOI: 10.7146/dpb.v9i121.6539. Disponível em: https://tidsskrift.dk/daimipb/article/view/6539. Acesso em: 9 may. 2024.