Fernández-mayoralas Fernández, Gloria, and Fermina Rojo Pérez. “Analysis of the Family Housingand Its Occupants in Downtown Madrid”. Anales de Geografía de la Universidad Complutense, vol. 25, Jan. 2006, pp. 281-05, https://revistas.ucm.es/index.php/AGUC/article/view/AGUC0505110281A.