TY  - BOOK
AU  - Singh, Simon
TI  - The code book: The science of secrecy from ancient Egypy to quantum cryptography
SN  - 9780385495325
U1  - 500 SIN/C 
PY  - 2000///
CY  - New York
PB  - Anchor Books
KW  - Science
N1  - Supplied by Technical Bureau India Pvt. Ltd., New Delhi
ER  -