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Computerwissenschaft 

B 153.880 

S i n 9 h, Simon: The Code Book. The evolution of 
secrecy form Mary Queeen of Scots to Quantum 
Cryptography. (1. ed.) -New York (usw.l: 
Doubleday (1999). XIII, 402 S. 8° 

ISBN 3-0-385-49531-5