Kumar,P <br/><br/>
Biological Control Of Environmental Pollution  
P.Kumar 
 - New Delhi  SARUP & Sons  2000 
 - 364 p. 
<br/><br/> H.B 
<br/><br/><label>ISBN: </label>8176251658 
<br/><br/><label>Dewey Class. No.: </label>363 KUM