KATZAN,HARRY JR <br/><br/>
STANDARD DATA ENCRYPTION ALGORITHM (PETROCELLI BOOK) 

 - 1 
 - NEW YORK  OTH  1977 
 -  134 
<br/><br/><label>ISBN: </label>NCST  93.96 
<br/><br/><label>Dewey Class. No.: </label>685