GUTIERREZ - RUIZ, Margarita E., Mario VILLALOBOS - PEÑALOSA, and José A. MIRANDA. “CHROMIUM POLLUTION EVALUATION IN GROUNDWATERS OF NORTH MEXICO CITY”. Revista Internacional de Contaminación Ambiental 6, no. 1 (November 18, 2010): 5–18. Accessed May 19, 2024. https://www.revistascca.unam.mx/rica/index.php/rica/article/view/21088.