TY  - BOOK
AU  - Blake,Barry J.
TI  - Secret language
SN  - 9780199691623 (pbk.)
PY  - 2010///
CY  - Oxford
PB  - Oxford University Press
KW  - Historical linguistics
KW  - Ciphers
KW  - Cryptography
N1  - Includes bibliographical references and index
ER  -