MARTIN ORIOL, J.; CABRERA DELGADO, E. . The digitization of the tramway infrastructure of the Barcelona metropolitan area. GeoFocus. International Review of Geographical Information Science and Technology, [S. l.], n. 31, p. 87–100, 2023. DOI: 10.21138/GF.818. Disponível em: https://geofocus.org/index.php/geofocus/article/view/818. Acesso em: 13 mar. 2025.