TY  - BOOK
AU  - Brown,Jerald A.
ED  - McGraw-Hill (Continuing Education Center).
TI  - Contemporary electronic communication
SN  - 0-07-045078-1
AV  - TK5101 M23
PY  - 1990///
CY  - San Francisco, Calif.
PB  - McGraw-Hill
ER  -