J. Ramírez-Ortiz and J. Núñez Monreal, Study of Soil Contaminated with Arsenic, Cadmium and Lead in Ancient Tailings in Zacatecas, México. journal = {International Journal of Geological and Environmental Engineering}, [online]. World Academy of Science, Engineering and Technology. March 2009, vol. 27(3). 95 - 99 [viewed 24 April 2024]. Available from: https://publications.waset.org/pdf/12338.