TY  - BOOK
AU  - Davies,Donald Watts
AU  - Price,W.L.
TI  - Security for computer networks: an introduction to data security in teleprocessing and electronic funds transfer 
SN  - 0471921378
PY  - 1989///
CY  - Chichester [England] ; , New York : 
PB  - Wiley, 
KW  - Data transmission systems
KW  - Security measures
N1  - Includes bibliographies and index
ER  -