S. Kina

Source of Atmospheric Radon in the Gyokusendo, a Limestone Cave in Okinawa, Japan

M. Hosoda, Y. Yasuoka, N. Akata, 2016 .

Characteristics of radon and thoron exhalation rates in Okinawa, subtropical region of Japan.

S. Sahoo, S. Tokonami, M. Hosoda, 2012, Radiation protection dosimetry.

Terrestrial gamma radiation dose rate in Ryukyu Islands, subtropical region of Japan.

S. Tokonami, W. Zhuo, M. Furukawa, 2015, Radiation Protection Dosimetry.