Fernando Allende, José Antonio López Sáez, Manuel Frochoso, Francisca Alba Sánchez, Raquel González Pellejero, and Daniel Abel Schaad. 2014. “Natural and Anthropic Dynamics of the Vegetative Landscape of the Inner Valleys of Western Cantabria (North of Spain)”. Boletín De La Asociación Española De Geografía, no. 65 (August). Madrid, Spain. https://bage.age-geografia.es/ojs/index.php/bage/article/view/1765.