Sands, Leo G <br/><br/>
Sound systems installers handbook 
by Leo G. Sands 
 - 3rd. ed. 
 - Indianapolis, Ind.  Howard W. Sams  1973 
 - 192 p. : ill. ; 22 cm. 
<br/><br/><label>ISBN: </label>0672209802 
<br/><br/><label>LCCN: </label>73-079074 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sound--Recording and reproducing