Stan Gelber <br/><br/>
Data Communications Today: Networks, The Internet, And The Enterprise 

 - 2nd ed 
 -   Prentice Hall-Ptr  ©1997 
<br/><br/><label>ISBN: </label>9780138640002  00 
<br/><br/><label>Dewey Class. No.: </label>004.678/GEL