Reques Velasco, Pedro. “José M. Santos Y María Pilar Borderías (2001): Introducción Al análisis Medioambiental De Un Territorio”. GeoFocus. International Review of Geographical Information Science and Technology, no. 2 (November 17, 2014): 4–5. Accessed April 3, 2025. https://geofocus.org/index.php/geofocus/article/view/309.