J. L. Palacio-Prieto, C. Siebe-Grabach, and A. Cortés-Anaya, “Spatial variability and distribution of some physical and chemical soil parameters of the Irrigation District 03, State of Hidalgo, Mexico; Part 1, semivariograms”, revmexcg, vol. 11, no. 1, pp. 62–67, Feb. 2019.