INDERJEET SETHI;M.S.SETHI,S.A.IQBAL <br/><br/>
ENVIRONMENTAL POLLUTION CAUSES,EFFECTS & CONTROL 

 - INDIA  1991 
 - 304 p.  36 cm. 
<br/><br/><label>ISBN: </label>8171691234 
<br/><br/><label>Dewey Class. No.: </label>