Navarro, Enrique, Gustavo Burciaga, Salvador González, M. Cristina Vega, Regino Morones, and Elias Sandoval. 2016. “Double Cross Hibrids Produced With Lines Improved by Gamete and Backcross Selection”. Agronomía Mesoamericana 8 (2):61-71. https://doi.org/10.15517/am.v8i2.24660.