TY  - GEN
AU  - Vavilov, Nicolay Ivanovich 
TI  - Five continents 
SN  - 9290433027
U1  - 631.523 
PY  - 1997///
CY  - Rome
PB  - International Plant Genetic Resource Institute
KW  - Development of new varieties
KW  - Specific techniques:apparatus, equipment, materials
KW  - Cultivation and harvesting
ER  -