TY  - BOOK
AU  - Fitzgerald, Jerry
TI  - Business Data Communications Basic Concepts Security and Design 
SN  - 0471599832
U1  - 004.6 
PY  - 1993///
CY  - New York : 
PB  - John Wiley, 
KW  - Computer Networks
KW  - Data Transmission Systems
KW  - Office Practice Automation
N1  - YY
UR  - https://eaklibrary.neduet.edu.pk:8443/catalog/bk/books/toc/0-471-59983-2.pdf
ER  -