Held Gil Ed. <br/><br/>
Data communications    A comprehensive approach      
Held Gil Ed.; Sarch Ray Ed. 
 - 3 
 -  1995 
<br/><br/><label>Standard No.: </label>9051 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>D6,8(B),4, N5