TY  - BOOK
AU  - Welch, P. S 	
TI  - Limnology /	
SN  - 9788176493352
U1  - 551.48 WEL 
PY  - 2010///
CY  - New Delhi : 
PB  - Narendra Publishing House , 	
N1  - Includes Index.
ER  -