TY  - BOOK
TI  - Encyclopedia of Technology and Applied Sciences: Vol.02, (Bicycle-Codes and Ciphers)
SN  - 0-7614-7116-2
U1  - 603 
PY  - 2000///
CY  - New York
PB  - Marshall cavendish
KW  - Applied Sciences
KW  - Encyclopedia
ER  -