TY  - BOOK
AU  - FitzGerald,Jerry
TI  - Business data communications: basic concepts, security, and design
U1  - 621.38 
PY  - 1984///
CY  - New York
PB  - Wiley
KW  - Data transmission systems
KW  - Computer networks
KW  - Office practice
KW  - Automation
ER  -