Wark, Kenneth,  1927- <br/><br/>
Air pollution :  Its origin and control / 
K. Wark, C.F. Warner. 
 - 2d ed. 
 - New York, N.Y. :  Harper & Row,  1981. 
 - xv, 526 p.  ill. ;  24 cm. 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>070022534X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Air--Pollution