Newton David E <br/><br/>
Encyclopedia of cryptology. 

 - California  Abc-Clio         1997 
 - xi,330p.  cm. 
<br/><br/><label>Standard No.: </label>37809 
<br/><br/><label>Source: </label> Reference Collections 
<br/><br/><label>Dewey Class. No.: </label>D6,8(B),942k, N7      RR