TY  - BOOK
AU  - Khanna, D. R 
AU  - Chugh, Tarun 
TI  - Microbial ecology : : a study of river Ganga 
U1  - 579.095 KHA 
PY  - 2011///
CY  - New Delhi : 
PB  - Discovery Publishing House , 	
N1  - Includes Index
ER  -