TY  - BOOK
AU  - Singh,L B 	
AU  - Pandey, P N
AU  - Mahto, Bhola & Singh, R K
TI  - River pollution /			
U1  - 363.7392 SIN 
PY  - 2007///
CY  - New Delhi : 
PB  - A.P.H Publishing Corporation,	
N1  - Includes Index
ER  -