Singh J S <br/><br/>
Ecology environment and resource conservaation 

 - New Delhi  Anamaya publishers  2008 
 - xxvii;688p. 
<br/><br/><label>ISBN: </label>8188342556 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Water pollution<br/>Ecotoxicology<br/>Biodiversity
<br/><br/><label>Dewey Class. No.: </label>557  / SIN