Wark, Kenneth,  1927- <br/><br/>
Air pollution :  its origin and control / 
Kenneth Wark, Cecil F. Warner. 
 - 2nd ed. 
 - New York :  Harper & Row,  1981. 
 - 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.