TY  - BOOK
AU  - Simpson Alan Ed.
TI  - Data communications: Spreading the message
T2  - Currents of computer technology
U1  - D65,8(B):3, L8 
PY  - 1978///
CY  - Purley
PB  - Input-Output         
KW  -  Database
KW  - Computer science
ER  -