TY  - BOOK
AU  - V.L. Chopra
AU  -  R.B. Singh  Anupam Varma
TI  - Crop productivity and sustainability shaping the future
SN  - 81-204-1212-5
U1  - 630 
PY  - 1998///
CY  - New Delhi
PB  - Oxford & BH Publishing Co pvt Ltd
N1  - V.L. Chopra; R.B. Singh & Anupam Varma: Crop productivity and sustainability shaping the future.  New Delhi.  Oxford & BH Publishing Co pvt Ltd, 1998. 81-204-1212-5--(630CHO)
ER  -