N. Nagaoka

Measurements of Atmospheric Small Ion Concentration at the Summit of Mt. Fuji, Japan

K. Miura, S. Ueda, N. Nagaoka, 2013 .

In-situ observation of movement of atoms and identification of thorium atoms by core-loss electron imaging

Y. Makita, H. Hashimoto, A. Kumao, 1993 .

Electron microscope images of thorium atoms formed by plasma-loss and core-loss electrons using an energy selecting microscope

H. Hashimoto, N. Nagaoka, Y. Makita, 1993 .