00745nam0-22002651i-450-990001131740403321000113174FED01000113174(Aleph)000113174FED0100011317420000920d1958----km-y0itay50------baengSpace-Charge Wavesby BeckLondon [etc.]Pergamon Press1958International series of monographs on electronics and instrumentation8avo Vol.Beck,Arnold Hugh William44729ITUNINARICAUNIMARCBK99000113174040332126-B-83303MA1MA1Space-Charge Waves345491UNINAING01