López, E., Cumpián, J., Becerra, E. N., Villar, B., Ugalde, F. J., & Acosta, J. A. (2006). Adaptation and yield of Negro Medellín bean in the southeast of Mexico.

López, Ernesto, Javier Cumpián, Enrique N. Becerra, Bernardo Villar, Francisco J. Ugalde, و Jorge A. Acosta. Adaptation and Yield of Negro Medellín Bean in the Southeast of Mexico. 2006.

López, Ernesto, et al. Adaptation and Yield of Negro Medellín Bean in the Southeast of Mexico. 2006.