Buchmann, Johannes. <br/><br/>
Introduction to cryptography /  
Johannes A. Buchmann. 
 - New York :  Springer-Verlag,  c2001. 
 - xi, 281 p. :  ill. ;  24 cm. 
 - Undergraduate texts in mathematics .
<br/><br/>Part 1; The Vogel Quintuple Disk (Page-2), Part 2: The Schneider Cipher (Page-65). 
<br/><br/><label>ISBN: </label>0387950346 (hc : alk. paper) 
<br/><br/><label>LCCN: </label>00030465 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Coding theory.<br/>Cryptography.
<br/><br/><label>Dewey Class. No.: </label>005.82,BUC