TY  - BOOK
AU  - Panday, P.N 
AU  - Mahato, B 
AU  - Singh, R.K
AU  - Singh, L.B 
TI  - A textbook of environmental pollution / 
SN  - 9789380428024
U1  - 363.73 PAN 
PY  - 2010///
CY  - Delhi
PB  - Narendra Publishing House
ER  -