Rao, C S <br/><br/>
Environmental pollution control engineering 

 - New Delhi:   Wiley Eastern ltd,   1991 
 - viii, 431p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environment
<br/><br/><label>Subjects--Index Terms: </label>Air pollution 
<br/><br/><label>Universal Decimal Class. No.: </label>502.55  / N1