Garg, M.R ed.  _ <br/><br/>
Environmental pollution and protection 

 - New Delhi  Deep & Deep  1997 
 - xiv,293p.  23cm.  HB 
<br/><br/><label>ISBN: </label>8171005276 
<br/><br/><label>Dewey Class. No.: </label>577.27  / ENV