TY  - BOOK
AU  - Blake, Barry J.
TI  - Secret langauge
SN  - 9780199691623
AV  - Z 103 .B535 2010
PY  - 2010///
CY  - New York
PB  - Oxford University Press
KW  - Ciphers
KW  - Cryptography
KW  - Historical linguistics
N1  - Includes bibliographical references and index; MC
ER  -