Hellyer, H. W. <br/><br/>
Stereo sound / 
H.W. Hellyer. 
 - Hemel Hempstead :  Fountain Press,  1974. 
 - [8], 224 p. :  ill. ;  23 cm. 
<br/><br/><label>ISBN: </label>0852422873 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Stereophonic sound systems.
<br/><br/><label>Dewey Class. No.: </label>621.38933  / HES 1974