TY  - BOOK
AU  - Shelly, Gary B.
AU  - Cashman, Thomas J.
TI  - Bussiness data communications : introductory concepts and techniques
SN  - 0-7895-5958-7
U1  - 004.6 
PY  - 2001///
CY  - Boston
PB  - Course technology
KW  - Data Communication
ER  -