x  x <br/><br/>
Encyclopedia of environmental pollution and its control  x 

 - 1 
 - New Delhi  Anmol  1989 
 - x 
<br/><br/>x 
<br/><br/><label>ISBN: </label>8170412439 (Set) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Pollution - encyclopedias Pollution - encyclopedias 
<br/><br/><label>Dewey Class. No.: </label>R363.73903/E56