TY  - BOOK
AU  - Tucker, David Gorda
TI  - MODULATORS AND FREQUENCY-CHANGERS FOR AMPLITUDE-MODULATED LINE AND RADIO SYSTEMS
U1  - 621.3815 
PY  - 1953///
CY  - London
PB  - Macdonald
KW  - Modulation (Electronics)
KW  - Frequency Changers
ER  -