KRISTENSEN, B. B.; MADSEN, O. L.; MØLLER-PEDERSEN, B.; NYGAARD, K. The BETA Programming Language. DAIMI Report Series, [S. l.], v. 16, n. 229, 1987. DOI: 10.7146/dpb.v16i229.7578. Disponível em: https://tidsskrift.dk/daimipb/article/view/7578. Acesso em: 9 may. 2024.