TY  - BOOK
AU  - U.S. Gupta
TI  - Crop physiology
U1  - 581.1 
PY  - 1984///
CY  - New York
PB  - Oxford and IBM Publishing Co.
N1  - U.S. Gupta: Crop physiology.  New York.  Oxford and IBM Publishing Co., 1984.--(581.1GUP)
ER  -