TY  - BOOK
AU  - Khanna,Dev Raj
TI  - Ecology and pollution of Ganga river : limnological study of Haridwar / 
SN  - 8170245419
U1  - 363.739409541 
PY  - 1993///
CY  - New Delhi : 
PB  - Ashish Publishing House , 
KW  - WATER POLLUTION-GANGA
N1  - NULL
ER  -