Understanding telephone electronics / 
Rev. by Stephen j. bigelow 
 - 3 
 - 367 páginas 
<br/><br/><label>ISBN: </label>0672273500 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Teléfono
<br/><br/><label>LC Class. No.: </label>TK6162  / U53 1991a