Creation and evolution of Oporto’s city centre (1850-2001): Approach to a transdiciplinar analysis of the urba centre as a complete social fact. Ciudades, [S. l.], n. 12, p. 243–249, 2017. DOI: 10.24197/ciudades.12.2009.243-249. Disponível em: https://revistas.uva.es/index.php/ciudades/article/view/1235. Acesso em: 10 jan. 2026.