Inderjeet Sethi,M.S <br/><br/>
Envoronmental pollution  courses effects and control 

 - New Delhi  Commonwealth publishers  1991 
 - xi, 304 p.  HB  22 cm. 
<br/><br/><label>ISBN: </label>8171691234 
<br/><br/><label>Dewey Class. No.: </label>363.73  / SET