TY  - BOOK
AU  - Witts, Alfred T
TI  - The Superheterodyne receiver: Its development theory and modern practice
PY  - 1937///
CY  - London
PB  - Sir Isaac Pitman and Sons
KW  -  Heterodyning
KW  -  Superheterodyne Receivers 
KW  - NASA Thesaurus 
ER  -