Sanz-Pérez, Eugenio, and Ignacio Menéndez-Pidal. 2013. “Calculation of Natural Recharge in Large Areas, As a Function of Lithology and Rainfall”. Tecnología Y Ciencias Del Agua 4 (1). Morelos, MX:195-202. https://www.revistatyca.org.mx/index.php/tyca/article/view/347.