Allen, Julia H. <br/><br/>
The CERT guide to system and network security practices / 

 - USA,  Addison Werley,  c2001. 
 - xxiv, 447p. ;  ill. ;  23 cm. 
<br/><br/><label>ISBN: </label>020173723x 
<br/><br/><label>Dewey Class. No.: </label>005.8