TY  - BOOK
AU  - Walia, S.
TI  - Pesticides, crop protection and environment
U1  - 632.95 W12P 
PY  - 1995///
CY  - New Delhi
PB  - Oxford and IBH Publishing
KW  - PESTICIDES - - ENVIRONMENTAL ASPECTS
KW  - PLANTS, PROTECTION OF
ER  -