Zornoza, Raúl. “Marble Waste and Pig Slurry Increment Soil Quality and Reduce Metal Availability in a Tailing Pond”. REVISTA TERRA LATINOAMERICANA, vol. 31, no. 2, June 2013, pp. 105-14, https://terralatinoamericana.org.mx/index.php/terra/article/view/1017.