Graff, Jon C <br/><br/>
Cryptography and e commerce:   A wiley tech brief 

 - New York:    John Wiley & Sons, Inc.,  
 - xvii, 221p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer science
<br/><br/><label>Subjects--Index Terms: </label>Information technology 
<br/><br/><label>Universal Decimal Class. No.: </label>D 681.324  / P1