TY  - BOOK
AU  - Patro, L.R. 
AU  - Panigrahy, R.L. 
TI  - Environmental pollution and hazards
SN  - 9788183563215
U1  - 363.73 
PY  - 2009///
CY  - New Delhi 
PB  - Discovery Publishing House 
N1  - Includes index
ER  -