Perkins, Henry C <br/><br/>
Air pollution 
Henry C. Perkins 
 - International student edition 
 -  1974 
<br/><br/><label>ISBN: </label>0070493022 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Air--Pollution--General
<br/><br/><label>Dewey Class. No.: </label>628.53 PER