TY  - BOOK
AU  - Barksdale,William
TI  - Practical computer data communications
SN  - 0306423235
AV  - TK5105 .B356 1986
U1  - 004.6�19 
PY  - 1986///
CY  - New York
PB  - Plenum Press
KW  - Data transmission systems
ER  -