TY  - BOOK
AU  - FitzGerald, Jerry
TI  - Business data communications and networking 
SN  -  978-8126513406
U1  - 004.6 
PY  - 2005///
CY  - NEW YORK. 
PB  - JOHN WILEY & SONS INC.
KW  -  Data transmission systems  /  Computer networks  / Office practice -- Automation
ER  -