TY  - BOOK
AU  - Michael Jeffries
AU  -  Derek Mills, 
TI  - Freshwater ecology priciples and application
U1  - 574.52632 
PY  - 1992///
CY  - New Delhi
PB  - CBS Publishers and Distributors Pvt Ltd
N1  - Michael Jeffries & Derek Mills: Freshwater ecology priciples and application.  New Delhi.  CBS Publishers and Distributors Pvt Ltd, 1992.--(574.52632JEF)
ER  -