Memoirs of the Kakioka Magnetic Observatory Vol.04 No.01, October 1942

Koiwai, M.
On the Spectrum of the Lightning

Memoirs of the Kakioka Magnetic Observatory Vol.04 No.01, p.1, October 1942
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Yumura, T.
Some problems of the relation between disturbed magnetic force and a magnetized body

Memoirs of the Kakioka Magnetic Observatory Vol.04 No.01, p.7, October 1942
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Yumura, T.
Distribution of the Earth's magnetic field in Akita prefecture Part 1

Memoirs of the Kakioka Magnetic Observatory Vol.04 No.01, p.20, October 1942
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