Houstan H.  Carr,  Charles A.  Synder <br/><br/>
Data Communications & Network Security 

 -   Mcgraw Hill/Irwin  ©2007 
<br/><br/><label>ISBN: </label>9780071102971  75.8 
<br/><br/><label>Dewey Class. No.: </label>005.8/CAR