00807nam0-22002771i-450-99000398080040332120110719101825.0000398080FED01000398080(Aleph)000398080FED0100039808020031120d1947----km-y0itay50------baengUSPhotocells and their applicationby V.K. Zworykin and E.D. Wilson2nd ed.New YorkJohn Wiley & sons1947Zworykin,Vladimir Kosma< 1889-1982>2133Wilson,Earl DeWitt<1898- >150158ITUNINARICAUNIMARCBK99000398080040332100 P13182393DETECDETECPhotocells and their application473702UNINA