SKYUM, Sven. On Extentions of Algol-like Languages. DAIMI Report Series, [S. l.], v. 3, n. 25, 1974. DOI: 10.7146/dpb.v3i25.6444. Disponível em: https://tidsskrift.dk/daimipb/article/view/6444. Acesso em: 5 feb. 2026.