TY  - BOOK
AU  - FitzGerald,Jerry
TI  - Business data communications: basic concepts, security, and design 
SN  - 0471895490
PY  - 1984///
CY  - New York : 
PB  - Wiley, 
KW  - Computer networks
KW  - Data transmission systems
KW  - Office practice
KW  - Automation
N1  - Includes index; Bibliography: p. [343]-350
ER  -