Firewalls : The Complete Reference /   Textual Documents 
NULL. 
 - New Delhi :   Tata McGraw Hill Publishing Company Limited ,   2003. 
 - 790 ;   24*18. 
<br/><br/><label>ISBN: </label>  
<br/><br/><label>Subjects--Index Terms: </label>Computer Viruses 
<br/><br/><label>Dewey Class. No.: </label>005.84  / STR