López, Miguel A., Universidad Nacional Autónoma de México (UNAM), FES-Cuautitlán, México, México

• Agronomía Mesoamericana 1998: Agronomía Mesoamericana: Vol. 9, Issue 1 (January-June) - Articles
  Agroeeonomic analysis of the use of advaneed generations of improved eorn seed in high valleys of Mexico.
  Abstract  PDF (Español (España))