TY - BOOK ED - Centro Internacional de Mejoramiento de Maíz y Trigo TI - Enduring designs for change an account of CIMMYT research, its impact, and its future directions U1 - 633.15 PY - 1992/// CY - Mexico, D.F. PB - CIMMYT KW - Maíz KW - Investigación KW - Trigo ER -