TY  - GEN
AU  - Prasad, D.
AU  - Gaur,  H.S. 
TI  - Environmental Pollution: D. Prasad [and] H.S. Gaur
SN  - 8172380046
U1  - 628.16 
PY  - 1992///
CY  - New Delhi
PB  - Venus Publishing House
ER  -