Knudsen, Vern Oliver,  1893-1974. <br/><br/>
Acoustical designing in architecture / 
[by] Vern O. Knudsen [and] Cyril M. Harris. 
 - New York :  Wiley,  1950. 
 - x, 457 p. :  illus. ;  22 cm. 
<br/><br/>Includes index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Architectural acoustics.
<br/><br/><label>Dewey Class. No.: </label>729.21  / KNA