Ramiro Rodríguez C, Armienta H. MA. Groundwater chromium pollution in the Rio Turbio Valley, Mexico: Use of pollutants as chemical tracers. Geofis Int [Internet]. 1995 Oct. 1 [cited 2024 May 18];34(4):417-26. Available from: http://revistagi.geofisica.unam.mx/index.php/RGI/article/view/79