JORDAL-JØRGENSEN, Jørgen; FOSGERAU, Mogens. PETRA - The COHORT model: PETRA working paper no. 5. Proceedings from the Annual Transport Conference at Aalborg University, [S. l.], v. 3, n. 1, 1996. DOI: 10.54337/ojs.td.v3i1.6133. Disponível em: https://journals.aau.dk/index.php/td/article/view/6133. Acesso em: 19 mai. 2024.