TY  - GEN
AU  - Frankel, O.H
AU  - Hawkes, J.G
TI  - Crop genetic resources for today adn tommorow
T2  - International biological programme
SN  - 052120575 1
U1  - 631.53 FRA 
CY  - Cambridge, Cambridge university press
KW  - Genetic variation- plant population/ Exploration/ crop genetic resources
ER  -