TY  - GEN
AU  - Stalker, H.T. 
AU  - Chapman, C. 
TI  - Scientific management of germplasm: characterization, evaluation and enhancement 
SN  - 9290431415
U1  - 631.523 
PY  - 1989///
CY  - Rome
PB  - IBPGR
KW  - Development of new varieties
KW  - Specific techniques; apparatus, equipment, materials
KW  - Productions of propagational organisms and new varieties
ER  -