Data communications, networks and systems / 
editor in chief, Thomas C Bartee, editor-in-chief. 
 - 2nd ed 
<br/><br/><label>ISBN: </label>0672227908 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Digital communications.<br/>Computer networks.
<br/><br/><label>LC Class. No.: </label>TK5103.   / .D37 1991