Mukharji, Dipankar <br/><br/>
Cryptography through the ages/ 
by Dipankar Mukherjee and P. Sarathi Majumdar 
 - Kolkata :  The Authors,  2003 
 - [22], 153 p. :  ill., maps;  21 cm. 
<br/><br/><label>ISBN: </label>(pbk.)  Rs.50.00 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Cryptography<br/>Signs and symbols<br/>Ciphers
<br/><br/><label>Dewey Class. No.: </label>652.8