1. An antenna for electric field and air-earth current measurements in the free atmosphere;Berlinski,1981
2. A method for precise determination of the voltage between ionosphere and ground, report;Fischer,1975
3. Die elektrische Leitfahigkeit in Troposphare und Stratosphare, ihre Messung und ihre Interpretation als Indikator fur die aerosol Konzentration, Beilage Zur Berliner Wetterkart;Gringel,1976
4. Balloon borne measurements of atmospheric electrical parameters, I, The ion production rate;Hofmann,1980
5. Antenna problems of measurements of the air-current;Kasemir,1958