Reeve, Whitham D <br/><br/>
Subscriber loop signaling and transmission handbook analog 

 - Jaico Publishing House, Bombay  1995 
 - xiv,289 
<br/><br/><label>ISBN: </label>81-7224-439-8 
<br/><br/><label>Dewey Class. No.: </label>621.382 Ree