Carr, Houston H. <br/><br/>
Data communications and network security 

 - Boston  McGraw-Hill  2007 
 - xxxiv, 526p.  26cm. 
<br/><br/><label>ISBN: </label>9780072976045 
<br/><br/><label>Subjects--Topical Terms: </label><br/>DATA SECURITY
<br/><br/><label>Dewey Class. No.: </label>005.8  / CAR