Knudsen.V.O <br/><br/>
Architectural Acoustics.(1949). 

 - 1st Ed. 
 -  Wiley & Sons  1956 
 -  21 cm. 
<br/><br/><br/>Text in English 
<br/><br/><label>Subjects--Facted Index Terms: </label><br/>ELN
<br/><br/><label>Index Terms--Genre/Form: </label><br/>F-13
<br/><br/><label>Dewey Class. No.: </label> / KNU