Technical Report of the Kakioka Magnetic Observatory, - Selected Translations - Vol.04, March 2006
Owada, T., Fukui, F., Yokoyama, M., Hasegawa, M. & Minamoto, Y. Investigation on a Magnetic Theodolite with the Functions of Both DI and FT Theodolites Combined
Translated to English from paper in Japanese, originally published in: Gijutsu Houkoku, Vol.37, No.3, 4 (No.105), 19-26, 1998 with permission of authors.
Tokumoto、T., Nakajima, S., Ookawa, T. & Hoshino, M. Determining the Amount of Man-Induced Geomagnetic Disturbances