TY  - BOOK
AU  - U S GUPTA
TI  - CROP IMPROVEMENT
SN  - 812040596X
U1  - TR 630.811 G 95 
PY  - 1992///
CY  - NEW DELHI
PB  - OXFORD & IBH PUBLISHING CO. PVT LTD
KW  - CROP IMPROVEMENT
N1  - MODERN BOOK HOUSE
ER  -