Ponce, A. R., A. L. Palacios Jiménez, F. Rosales Martínez, G. Torres Hernández, R. Ramírez Valverde, and C. M. Becerril Pérez. “Genetic Variability of Tropical Milking Criollo Cattle of Mexico Estimated from Genealogy Information”. Revista Colombiana De Ciencias Pecuarias, vol. 31, no. 3, Aug. 2018, pp. 196-03, doi:10.17533/udea.rccp.v31n3a04.