TY  - BOOK
AU  - Camm,F.J.
TI  - Amplifiers: design and construction 
AV  - TK6565.A55 C34
U1  - 621.381535 CAM 
PY  - 1957///
CY  - London
PB  - George Newnes Ltd.
KW  - Amplifiers, Vacuum-tube
ER  -