Bigelow, Stephen J. <br/><br/>
Understanding telephone electronics-(E-BOOK) 
 Telephone electronics 
Stephen J. Bigelow, Joseph J. Carr, Steve Winder. 
 - 4th ed. 
 - Boston :  Newnes,  c2001. 
 - xiv, 402 p. :  ill. (some col.) ;  24 cm. 
<br/><br/> Includes index.  Rev. ed. of: Understanding telephone electronics. 3rd ed. 1997. 
<br/><br/><label>ISBN: </label>0750671750 (pbk. : alk. paper) 
<br/><br/><label>LCCN: </label>2001030412 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Telephone.
<br/><br/><label>Subjects--Geographic Terms: </label><br/>E-BOOK
<br/><br/><label>Dewey Class. No.: </label>621.385