TY  - BOOK
AU  - Pandey, P.N. / Singh, L.B and Mahto, Bhola
TI  - River Pollution / (Acc. 4150)
SN  - 8131300854
U1  - 363.7392 SIN 
PY  - 2007///
CY  - New Delhi 
PB  - APH Publishing Corportion 
ER  -