Uyless D. Black <br/><br/>
Data Communications And Distributed Networks 

 - 3rd ed 
 -   Prentice-Hall, Inc.  ©1993 
<br/><br/><label>ISBN: </label>9780132034647  84.6 
<br/><br/><label>Dewey Class. No.: </label>004.6 BLA.3