Black, Uyless D. <br/><br/>
Data networks :  concepts, theory, and practice / 
Uyless Black. 
 - Englewood Cliffs, NJ :  Prentice Hall,  c1989. 
<br/><br/>Includes bibliographies and index. 
<br/><br/><label>ISBN: </label>  
<br/><br/><label>LCCN: </label>88025385 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer networks.<br/>Data transmission systems.
<br/><br/><label>LC Class. No.: </label>TK5105.5  / .B565 1989 
<br/><br/><label>Dewey Class. No.: </label>004.6