Nadal i Piqué, Francesc. “Breus Notes Sobre ‘The Morfology of Landscape’ De Carl Ortwin Sauer”. Treballs de la Societat Catalana de Geografia, no. 43 (February 17, 2005): 151–154. Accessed March 29, 2024. https://revistes.iec.cat/index.php/TSCG/article/view/9737.001.