Elbirt, Adam J. <br/><br/>
Understanding and applying cryptography and data security 
Adam J. Elbirt. 
 - Boca Raton  CRC Press  c2009. 
 - xxvii, 637 p.: ill.; 24cm. 
<br/><br/><label>ISBN: </label>9781420061604 
<br/><br/><label>Dewey Class. No.: </label>005.8  / E43U