Purohit, S.S. <br/><br/>
Ecology, Environment & pollution 

 - N.A. 
 - Jodhpur  Agrobious Publications  2003 
<br/><br/><label>Subjects--Facted Index Terms: </label><br/>Ecology
<br/><br/><label>Dewey Class. No.: </label>581  / PUR