William J. Beyda <br/><br/>
Data Communications: From Basic To Broadband 

 - 4th ed 
 -   Pearson Prentice Hall  ©2005 
<br/><br/><label>ISBN: </label>9780131456921  0 
<br/><br/><label>Dewey Class. No.: </label>004.6/BEY