Purohit, S S; Rajiv Ranjan <br/><br/>
Ecology, environment and pollution 

 -  Agrobios (India), Jodhpur  2005 
 - 1023 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecology; Biology
<br/><br/><label>Dewey Class. No.: </label>R 574.5  PUR-E