00769nam0-22002771i-450-990000994560403321000099456FED01000099456(Aleph)000099456FED0100009945620000920d1960----km-y0itay50------baengActive networks and feedback systemsProceedings of the Symposium - April 1960J. FoxBrooklinPolytechnic Press1960ReazioneServosistemi537.5Fox,J.346261ITUNINARICAUNIMARCBK99000099456040332131C-0032343FI1FI1Active networks and feedback systems354034UNINAING01