TY  - BOOK
AU  - Thapar, Sangita
AU  - Bhushan, Ravi Guide
ED  - University of Roorkee
TI  - HPLC studies on some organophosphorus and carbamate pesticide residues in the environment
U1  - 540.72 
PY  - 1991///
CY  - Roorkee
PB  - CMD- Chemistry
ER  -