TY  - BK
AU  - McGovern,T.
TI  - Data communications
SN  - 0-13-197385-1
U1  - 004.6 
PY  - 1989///
CY  - Ontario (Canada)
PB  - Prentice-Hall, 
KW  - Computer applications
KW  - Computer software
KW  - Data processing
KW  - Information flow
ER  -