00739nam0-22002891i-450-990001059730403321000105973FED01000105973(Aleph)000105973FED0100010597320000920d1958----km-y0itay50------baengElectron-tube CircuitsSamuel Seely2nd ed.New York [etc.]McGraw-Hill1958Elettronica generaleCircuiti537.5Seely,Samuel1825ITUNINARICAUNIMARCBK99000105973040332131-012767FI1FI1Electron-tube circuits106990UNINAING01