“Spatial and temporal analysis of precipitation variability in the Spanish sector of Duero basin (1961-2005)” (2013) Boletín de la Asociación de Geógrafos Españoles [Preprint], (61). Available at: https://bage.age-geografia.com.es/ojs/index.php/bage/article/view/1562 (Accessed: 8 July 2025).