Berry, C.Harold. <br/><br/>
Flow and Fan :  Principles of Moving Air Through Ducts / 
C.H. Berry. 
 - New York :  The Industrial Press,  1954. 
 - 226 p. :  fig., tables. 
<br/><br/>Includes Index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental Engineering