TY  - BOOK
AU  - Seely,Samuel
TI  - Radio electronics
U1  - 621.384 
PY  - 1956///
CY  - New York
PB  - Mc Graw-Hill Book
KW  - Radio
KW  - Communication
KW  - Electron tubes
KW  - Radio frequency modulation
KW  - Vacuum-tubes
N1  - Includes index
ER  -