NØRMARK, K. Transformations and Abstract Presentations in a Language Development Environment. DAIMI Report Series, [S. l.], v. 16, n. 222, 1987. DOI: 10.7146/dpb.v16i222.7584. Disponível em: https://tidsskrift.dk/daimipb/article/view/7584. Acesso em: 9 may. 2024.