Computer communication networks 

 - Leyden:   Noordhoff International Publishing,    1975 
 - 490p. 
<br/><br/><label>ISBN: </label>90-286-0593-2 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer 
<br/><br/><label>Subjects--Index Terms: </label>Communication 
<br/><br/><label>Universal Decimal Class. No.: </label>D 681.32.009.01(082.2)  / L5