TY  - BOOK
AU  - Shelly, Gary B
AU  - Cashman, Thomas J
AU  - Hill, Judy A
TI  - Business data communications : introductory concepts and techniques
SN  - 9788131503324
SN  - 95150892
U1  - 005.71 SHE 
PY  - 1995///
CY  - Danvers, Mass
PB  - Boyd & Fraser Pub. Co
KW  - Business enterprises - Communication systems
KW  - Business enterprises - Computer networks
KW  - Data transmission systems
N1  - Includes index
ER  -