TY  - BOOK
AU  - x, x
AU  - Fox,Jerome
TI  - Active networks and feedback systems; New York, n.y. April 19,20,21, 1960: x
SN  - x
U1  - 621.381535/FOA 
PY  - 1961///
CY  - N.Y.
PB  - Polytechnic Press
KW  - Amplifiers, Vacuumtube
N1  - x
ER  -