TY  - BOOK
AU  - FitzGerald,Jerry
TI  - Business data communications: basic concepts, security, and design 
SN  - 0471508772
U1  - 004.6 FIT 
PY  - 1990///
CY  - New York
PB  - Wiley
KW  - Data transmission systems
KW  - Computer networks
KW  - Office practice
N1  - Accompanied by a plastic network planning template; Includes bibliographical references
ER  -