TY  - BOOK
AU  - A S Perry
TI  - Insecticides in agriculture and environment(retrospects and prospects)
SN  - 8173192049
U1  - 632.9517 per/in 
PY  - 1998///
CY  - Nw delhi
PB  - Narosa publishing house
KW  - introduction
KW  - functions and classification
KW  - formulations of insecticides
ER  -