Talley, David <br/><br/>
Basic carrier telephony / 
David Talley 
 - Rev. 2nd ed. 
 - New York :  Hayden Book,  1966 
 - v, 198 p. :  ill. ;  23 cm. 
<br/><br/><label>LCCN: </label>66-031480 //r82 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Telephone, Carrier current