TY  - BOOK
AU  - Thomas, H. A.
TI  - Theory and Design of Valve Oscillators for Radio and Other Frequencies 7
U1  - 621.381533 
PY  - 1951///
CY  - London : 
PB  - Chapman and Hall, 
KW  - Oscillators
N1  - YY; v. 7.
ER  -