Davies, C. N.  1910- <br/><br/>
Air filtration / 
by C. N. Davies 
 - London :  Academic Press,  1973 
 - x, 171 p. :  ill. ;  24 cm. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>0122056604 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Air filters