Kippenhahn, Rudolf <br/><br/>
Code breaking : a history and exploration 
Rudolf Kippenhahn ; translated from the German, in collaboration with the author, by Ewald Osers 
 - Woodstock, N.Y  Overlook Press  2000 
 - 283 p. : ill. ; 23 cm 
<br/><br/><label>ISBN: </label>9781585670895 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Cryptography<br/>Data encryption (Computer science)
<br/><br/><label>Dewey Class. No.: </label>652.809 KIP