TY  - BOOK
AU  - Herrick,Clyde N.
TI  - Introduction to electronic communications
U1  - 621.38 
CY  - Columbus
PB  - Charles E. Merrill Pub, cc1969
KW  - Telecommunication systems
KW  - Modulation (Elecatronics)
KW  - Information theory
KW  - Television
N1  - Includes index
ER  -