Basta, Alfred <br/><br/>
Computer security:  concepts, issues and implementation/ 
Alfred Basta, Wolf Halton 
 - Australia  Cengage  2007 
 - 309p. 
<br/><br/><label>ISBN: </label>9 788131 507759 
<br/><br/><label>Dewey Class. No.: </label>004.056  / BAS