TY  - BOOK
AU  - Halsall, Fred.
TI  - Data Communications, Computer networks and open systems
SN  - 020142293X
AV  - TX 5105 .H35 1996 
PY  - 1996///
CY  - USA
PB  - Addison-Wesley
KW  - Data networks
KW  - Data Communications
N1  - Includes index
ER  -