Purohit, S.S. <br/><br/>
Environmental Pollution Causes, Effects and Control/  English  
Purohit, S.S. 
 - India:  Agrobios,  2004. 
 - 596p:  19cm. 
<br/><br/><label>ISBN: </label>817754201X 
<br/><br/><label>Dewey Class. No.: </label>551.588  / PUR