Network Security:  Private Communication in a Public World/  English 
Charli Kaufman, Radia Perlman and Mike Speciner 
 - New Delhi:  Asoke K. Ghosh,  2002. 
 - xxvi, 713. :  ill. ;  23.5cm. 
<br/><br/><label>ISBN: </label>8020322134 
<br/><br/><label>Dewey Class. No.: </label>681.141.3  / KAU