MADSEN, O. L.; MØLLER-PEDERSEN, B. Virtual Classes - a powerful mechanism in object-oriented programming. DAIMI Report Series, [S. l.], v. 18, n. 283, 1989. DOI: 10.7146/dpb.v18i283.6660. Disponível em: https://tidsskrift.dk/daimipb/article/view/6660. Acesso em: 23 dec. 2024.