Mackenzie, G W  <br/><br/>
Acoustics 

 - New York:   Focal Presaa, 1964 
 - 224p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Industries
<br/><br/><label>Subjects--Index Terms: </label>Microphones 
<br/><br/><label>Universal Decimal Class. No.: </label>681.8  / K4