Schuller L., Paulina, Alejandra Sepúlveda V., Achim Ellies Sch., and Alejandra Castillo S. 1999. “Use of 137Cs in Quantitative Evaluation of Soil erosión and Sedimentation in a Palehuniult, Located at the 9th Región”. Agro Sur 27 (1):29-36. https://doi.org/10.4206/agrosur.1999.v27n1-04.