TY  - BOOK
AU  - Virmani, S M.,et al.
TI  - Stressed ecosystems and sustainable agriculture
SN  - 8120409329
U1  - 630.973/VIR 
PY  - 1994///
CY  - New Delhi
PB  - Oxford & IBH Publishing Co.Pvt.Ltd.
KW  - Agricultural ecology
ER  -