HOLDAM, Jan; NØRGAARD, Claus. GIPSY: - a Grammar Based Interactive Processing System. DAIMI Report Series, [S. l.], v. 16, n. 221, 1987. DOI: 10.7146/dpb.v16i221.7572. Disponível em: https://tidsskrift.dk/daimipb/article/view/7572. Acesso em: 5 feb. 2026.