TY  - BOOK
AU  - Effron,Joel
TI  - Data communications techniques and technologies
SN  - 0534032702
AV  - TK5105 .E34 1984
U1  - 384 19
PY  - 1984///
CY  - Belmont, Calif.
PB  - Lifetime Learning Publications
KW  - Data transmission systems
KW  - Local
N1  - Includes index
ER  -