TY  - BOOK
N2  - "Codes are a part of everyday life, from the ubiquitous Universal Price Code (UPC) to postal zip codes. They need not be intended for secrecy. They generally use groups of letters (sometimes pronounceable code words) or numbers to represent other words or phrases. There is typically no mathematical rule to pair an item with its representation in code. A few more examples will serve to illustrate the range of codes"--
AB  - "Codes are a part of everyday life, from the ubiquitous Universal Price Code (UPC) to postal zip codes. They need not be intended for secrecy. They generally use groups of letters (sometimes pronounceable code words) or numbers to represent other words or phrases. There is typically no mathematical rule to pair an item with its representation in code. A few more examples will serve to illustrate the range of codes"--
T1  - Secret history :the story of cryptology /
AU  - Bauer, Craig P.
VL  - 76
CN  - QA76.9.A25
CN  - QA76.9.A25
ID  - 694411
KW  - Data encryption (Computer science)
KW  - Computer security.
KW  - Cryptography
KW  - Ciphers.
SN  - 9781466561861
SN  - 1466561866
TI  - Secret history :the story of cryptology /
ER  -