SINHA,Prabhas c. <br/><br/>
Encyclopaedia of ecology environment & pollution 

 - Newdelhi  Anmol pub.pvt.ltd  2003 
 - ix,3324p-3 
<br/><br/><label>ISBN: </label>812611522x 
<br/><br/><label>Dewey Class. No.: </label>577