Espinoza Maya A, Bollo Manent M. The Physical Geographic Regionalization of Michoacan de Ocampo. igg [Internet]. 2017Apr.4 [cited 2024Apr.28];1(1):1-10. Available from: https://terradigitalis.igg.unam.mx/html/ojs3/index.php/terra_digitalis/article/view/4