TY  - BOOK
AU  - SHAY, William A.
TI  - Understanding Data Communications and Networks
SN  - 981-240-050-8
U1  - 4.6 
PY  - 1999///
CY  - Boston
PB  - Brooks/cole publishing co.
KW  - Data
KW  - Communication
KW  - Network
ER  -