Bravo Espinosa, Miguel, et al. “Wepp Erodibility Parameters for Andisols under Rangeland Use in the Patzcuaro Lake Watershed, Michoacan, Mexico”. Revista Mexicana De Ciencias Pecuarias, vol. 44, no. 1, Jan. 2012, p. 129 a 141, https://cienciaspecuarias.inifap.gob.mx/index.php/Pecuarias/article/view/1754.