Dörner, J., R. Horn, W. Blum, S. Valle, O. Wendroth, F. Zúñiga, O. Thiers, and O. Seguel. 2015. “Why Do We Have to Celebrate the International Year of Soils?”. Agro Sur 43 (2):1-2. https://doi.org/10.4206/agrosur.2015.v43n2-01.