Kumar, Arun <br/><br/>
Environmental problems protection and control. Vol. 2  environmental problems, protection and control 

 - Lucknow  Institute for Sustainable Development  1999 
 - 438 p.  Illustration 
<br/><br/><label>ISBN: </label>8126103574 
<br/><br/><label>Dewey Class. No.: </label>363.7  / ENV