Proceedings of the Institute of Radio Engineers, vol.20, no.12 (Dec.1932), pp.1920-1932. -- "Electrical Disturbances Apparently of Extraterrestrial Origin." In: Proceedings of the Institute of Radio Engineers, vol.21, no.10 (Oct.1933), pp.1387-1398. -- "Minimum Noise Levels Obtained on Short-Wave Radio Receiving Systems." In: Proceedings of the Institute of Radio Engineers, vol.25, no.12 (Dec.1937), pp.1517-1530. Menasha, WI: Institute of Radio Engineers, 1932-1937. " /> JANSKY, Karl Guthe (1905-1950). "Directional Studies of Atmospherics at High Frequencies." In: <I>Proceedings of the Institute of Radio Engineers</I>, vol.20, no.12 (Dec.1932), pp.1920-1932. -- "Electrical Disturbances Apparently of Extraterrestrial Origin." In: <I>Proceedings of the Institute of Radio Engineers</I>, vol.21, no.10 (Oct.1933), pp.1387-1398. -- "Minimum Noise Levels Obtained on Short-Wave Radio Receiving Systems." In: <I>Proceedings of the Institute of Radio Engineers</I>, vol.25, no.12 (Dec.1937), pp.1517-1530. Menasha, WI: Institute of Radio Engineers, 1932-1937. | Christie's