Ponnappa, B. M. <br/><br/>
Information security and technology / 
B. M. Ponnappa 
 - New Delhi :  Manas Publications,  2004 
 - 447 p. :  ill. ;  23 cm. 
<br/><br/><label>ISBN: </label>8170491789  RM146.86 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer security<br/>Data protection--Technology