STRANGE, E, KEISER, BERNHARD E <br/><br/>
DIGITAL TELEPHONY AND NETWORK INTEGRATION 

 - NEWYORK  VAN NOSTRAND  1985 
 - 451P 
<br/><br/><label>ISBN: </label>0-442-24659-5 
<br/><br/><label>Dewey Class. No.: </label>621.385 KEI'D