Rao, M.N.. <br/><br/>
Air pollution /  
M.N. Rao and H.V.N. Rao. 
 - New Delhi :   Tata McGraw-Hill Publishing ,   1989. 
 - vi,339p. :   ills. ;   23cm. .  
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<br/><br/><label>ISBN: </label>0074518712  Rs. 350.00 
<br/><br/><label>Subjects--Index Terms: </label>AIR-POLLUTION 
<br/><br/><label>Dewey Class. No.: </label>363.7392  / RAO/A