TY  - GEN
AU  - Stamper,David A.
TI  - Business data communications 
SN  - 0-8053-7715-8
U1  - 004.6 
PY  - 1994///
CY  - Redwood City, Calif.
PB  - Benjamin/Cumming
KW  - Data transmission systems
KW  - Computer networks
ER  -