Katzan Harry <br/><br/>
Standard data encryption algorithm 
Katzan Harry 
 - New York       Petrocelli books         1977 
 - viii, 134p.  cm. 
<br/><br/><label>Standard No.: </label>41051 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Database<br/>Computer science
<br/><br/><label>Dewey Class. No.: </label>D65,8(B):3, L7