Communications networks 

 -  1975 
 - 620p.  cm. 
<br/><br/><label>ISBN: </label>0903796058 
<br/><br/><label>Standard No.: </label>243,831 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>D65,8(B), L51