TY  - BOOK
AU  - Shrader,Robert L.
TI  - Electronic communication
SN  - 0070571503
AV  - TK7815 .S5 1980
U1  - 621.38 
PY  - 1980///
CY  - New York
PB  - Gregg Division, McGraw-Hill
KW  - Electronics
KW  - Radio
KW  - Telecommunication
ER  -