Ryuji Arai

发表

Tomoyuki Takahashi, T. Tani, S. Nozoe, 2011, Journal of environmental radioactivity.

Keiji Nitta, Tsuyoshi Masuda, Yasuhiro Tako, 2010 .

Tomoyuki Takahashi, T. Tani, S. Nozoe, 2011, Journal of environmental radioactivity.