Bigelow, Stephen, J. Carr, Joseph, J. Winder, Steve. <br/><br/>
Understanding Telephone Electronics 

 - Boston  Newnes Books  2001 
 - xiv+402p.,23x18Cms 
<br/><br/><label>ISBN: </label>0750671750 
<br/><br/><label>Dewey Class. No.: </label>621.385 B592