TY  - BOOK
AU  - Sinnema,William
TI  - Digital, analog, and data communication
SN  - 0835913015
PY  - 1982///
CY  - Reston, Va.
PB  - Reston Pub. Co.
KW  - Data transmission systems
KW  - Digital communications
N1  - Includes index
ER  -