TY  - BOOK
AU  -  Shaffer,Steven L.
AU  -  Simon,Alan R.
TI  - Network security
SN  -  0126380104
U1  - 005.8 20
PY  - 1994///
CY  - Boston
PB  - AP Professional
KW  - Computer networks |x Security measures
N1  -  Includes bibliographical references (p. 303-307) and index
ER  -