Sierra, M., A. Palafox, S. Uribe, E. N. Becerra, D. Lara, S. Barrón, F. Rodríguez, J. Romero, and A. Sandoval. “Behaviour of Normal and High Quality Protein Maize Varieties for the Gulf of Mexico Region”. Agronomía Mesoamericana, vol. 14, no. 2, Sept. 2003, pp. 135-41, doi:10.15517/am.v14i2.11941.