Michael Jeffries <br/><br/>
Freshwater ecology priciples and application 

 - New Delhi  CBS Publishers and Distributors Pvt Ltd  1992 
 - 283p 
<br/><br/>Michael Jeffries & Derek Mills: Freshwater ecology priciples and application.  New Delhi.  CBS Publishers and Distributors Pvt Ltd, 1992.--(574.52632JEF)   
<br/><br/><br/>ENGLISH 
<br/><br/><label>Dewey Class. No.: </label>574.52632  / JEF