WINSKEL, G. Stable Bistructure Models of PCF. BRICS Report Series, [S. l.], v. 1, n. 13, 1994. DOI: 10.7146/brics.v1i13.21656. Disponível em: https://tidsskrift.dk/brics/article/view/21656. Acesso em: 6 may. 2024.