MADSEN, O. L. Block Structure and Object-Oriented Languages. DAIMI Report Series, [S. l.], v. 16, n. 230, 1987. DOI: 10.7146/dpb.v16i230.7579. Disponível em: https://tidsskrift.dk/daimipb/article/view/7579. Acesso em: 9 may. 2024.