Principles of information security / 
Whitman Michael E.,Mattoro Herbert J. 
 - pages cm 
<br/><br/><label>ISBN: </label>9780619063184 
<br/><br/><label>LCCN: </label>2016951156 
<br/><br/><label>LC Class. No.: </label>TK5105.59  / .W494 2003