TY  - BOOK
AU  - Fitzgerald, Jerry
AU  - Dennis, Alan
TI  - Business data communication and networking
SN  - 9780471123651
U1  - 650 FIT 
PY  - 1996///
CY  - New York
PB  - John Wiley & Sons
KW  - Data link layer
N1  - Includes index and glossary
ER  -