TY  - GEN
AU  - Sarch, Ray
TI  - Basic Guide to Data Communications
SN  - 0076056031
U1  - 621.38 
PY  - 1985///
CY  - New York
PB  - Mcgraw Hill Information System Company
KW  - Computer networks
KW  - Data communications
KW  - Data Transmission system
ER  -