Ponnappa B.M. <br/><br/>
Information security and technology 
Ponnappa B.M. 
 - New Delhi  Manas Publications       2004 
 - 447p.  cm. 
<br/><br/><label>Standard No.: </label>227,307 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>HISTORY
<br/><br/><label>Dewey Class. No.: </label>V:19(zP), P4