Bigelow, Stephen J. <br/><br/>
Understanding telephone electronics / by Stephen J. Bigelow. 

 - 3rd ed. /  rev. by Stephen J. Bigelow. 
 - Boston :  Newnes,  c1997. 
 - v, 367 p. :  ill. ;  24 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>0750699442 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Telephone.
<br/><br/><label>LC Class. No.: </label>TK6475  / BIG