Deasington, R J <br/><br/>
X.25 explained:   Protocols for packet switching networks 

 - 2nd ed. 
 - Chichester:   Ellis Horwood Ltd,   1988 
 - 131p. 
<br/><br/><label>ISBN: </label>0-7458-0110-2 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Networks
<br/><br/><label>Subjects--Index Terms: </label>Link level 
<br/><br/><label>Universal Decimal Class. No.: </label>D 681.324.006.3  / M8