Fike, John L., <br/><br/>
Understanding telephone electronics / 
by John L. Fike; revised by Stephen J. Bigelow. 
 - 3rd edition. 
 - Boston :  Newnes,  1997. 
 - 367 p.ages :  illustrations ;  24 cm. 
<br/><br/> First and second edition by John L. Fike and George E. Friend. 
<br/><br/>includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0750699442  RM82.81 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Telephone.