@article{oai:nagoya.repo.nii.ac.jp:00019702,
 author = {高木, 増美 and 石川, 晴治 and 竹内, 利雄 and TAKAGI, Masumi and ISIKAWA, Haruzi and TAKEUTI, Tosio},
 issue = {1-2},
 journal = {空電研究所報告},
 month = {Mar},
 note = {When lightning is taking place in a thundercloud, the associated weak luminosity continues itself throughout the period of a few hundred milliseconds, during which the discharge produces slow electro-static field changes frequently recorded with the mill type field meter under thunderstorm conditions. Superimposed on these long weak luminosities, the strong flashes with short durations of a few milliseconds are repeated irregularly at time intervals shorter than 20 milliseconds. These weak luminosities with long durations seem to be emitted by a corona discharge which may present itself as a result of the diproportion of electric field between the two main oppositely charged regions in the thundercloud. Most of the strong flashes with short durations must be based on local sparks scattered in and around the corona regions, and cause the series of electrostatic pulses commonly appearing on the atmospheric waveform of cloud discharge recorded at a distance very close to the station. The radiation pulses with the differential form appearing on the atmospheric waveforms are generally not accompanied by any flash. The rapid discharges occurring in small scales are usually observed in the early stage of thunderstom development. In the last stage of a storm activity, the time intervals between two successive cloud discharges are prolonged with time, and almost all of the discharges emitt strong flashes.},
 pages = {11--18},
 title = {近距離空電波形の研究(第10報) : 雲間放電に伴う電光と空電の対応},
 volume = {8},
 year = {1958}
}