TY  - BOOK
AU  - Dennis, Alan.
TI  - Business Data Communications and Networking 
SN  - 9971512920
U1  - 004.6 
PY  - 2000///
CY  - New York
PB  - John Wiley & Sons, INC.
N1  - This Book Also having Appendix A,B,C,D,E,F from 423-443
ER  -