Lehtinen, Rick. <br/><br/>
Computer security basics. 

 - 2nd edition.  Rick Lehtinen, Deborah Russell, and G.T. Gangemi, Sr. 
 - Beijing ;  Farnham :  O'Reilly,  2006. 
 - xii, 296 p. :  ill. ;  24 cm. 
<br/><br/> Previous ed.: published as by Deborah Russell and G.T. Gangemi, Sr. 1991.  Includes index. 
<br/><br/><label>ISBN: </label>9780596006693 (pbk.) :  £28.50 0596006691 (pbk.) :  £28.50 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer security.
<br/><br/><label>Dewey Class. No.: </label>005.8