Lehtinen, Rick. <br/><br/>
Computer security basics / 
Rick Lehtinen, Deborah Russell and G.T. Gangemi, Sr. 
 - 2nd ed. 
 - Sebastopol, CA :  O'Reilly & Associates,  2006. 
 - xii, 296 p. :  ill. ;  24 cm. 
<br/><br/> Rev. ed. of: Computer security basics / Deborah Russell and G.T. Gangemi, Sr. c1991. 
<br/><br/><label>ISBN: </label>0596006691 (pbk.)  RM131.95 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer security.