PAPA, Enrica. Subway and Skyway System: Sustainable Infrastructure for Walking?. TeMA - Journal of Land Use, Mobility and Environment, [S. l.], v. 1, n. 3, 2008. DOI: 10.6092/1970-9870/186. Disponível em: https://serena.atcult.it/index.php/tema/article/view/urn%3Anbn%3Ait%3Aunina-3568. Acesso em: 19 apr. 2025.