TY  - BOOK
AU  - Martin,J.
TI  - Data communication technology / 
SN  - 013196643X
U1  - 005.71 
PY  - 1988///
CY  - New Jersey
PB  - Prentice-Hall, 
KW  - Computers
KW  - Communication technology
KW  - Communication process
KW  - Data processing
ER  -