TY  - GEN
TI  - Descriptors for maize 
SN  - 9290431891
U1  - 631.523 
PY  - 1991///
CY  - Rome
PB  - IBPGR
KW  - Development of new varieties
KW  - Specific techniques:apparatus, equipment, materials
KW  - Cultivation and harvesting
ER  -