TY  - BOOK
ED  - Cereal workshop (fifthe: 1979 May 5-9: Algiers)
TI  - The gaps between : :  present farm yield and the potencial ; mayor constraints and possible solutions / 
U1  - 631.1 
PY  - 1979///
CY  - México : 
PB  -  Centro Internacional de Mejoramiento de Maíz y Trigo , 
KW  - Cereales
ER  -