TY  - BOOK
AU  - Shay, William A.
TI  - Understanding Data Communications and Networks
SN  - 9789812400505
U1  - 004.6 
PY  - 1999///
CY  - Singapore
PB  - Brooks/Cole Publishing Co.
KW  - Data Transmission System, Computer Networks
KW  - Networking
KW  - CS
KW  - Electronic Communication
ER  -