MOTORALA CODEX <br/><br/>
BASICS BOOK OF X.25 PACKET SWITCHING 

 - 2 
 - MASSACHUSETTS  AW  1992 
 -  74 
<br/><br/> BR-170 
<br/><br/><label>ISBN: </label>ERNET  9.95 
<br/><br/><label>Dewey Class. No.: </label>335