Perkins, Henry Crawford. <br/><br/>
Air Pollution / 
H.C. Perkins. 
 - New York :  1974.  McGraw-Hill Book Company, 
 - 407 p. :  fig., tables. 
<br/><br/>Includes Index. 
<br/><br/><label>ISBN: </label>0-07-049302-2 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental Engineering