Black, Uyless D. <br/><br/>
Data networks : concepts, theory, and practice / 
Uyless Black. 
 - Englewood Cliffs, N.J. :  Prentice Hall,  c1989. 
 - xvi, 877 p. :  ill. ;  25 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0131984667 :  $29.25 
<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