TY  - BOOK
AU  - Shelly B. Gray  
TI  - Business Data Communications
U1  - 005.71  HIL-B  R 
PY  - 1995///
PB  - Boyd and Fraser Publishing Co. Ltd., USA
KW  - Business Data Communications Shelly B. Gray  and others,THOMAS J. CASHMAN,JUDY A. HILL COMPUTER
ER  -