@misc{oai:repo.qst.go.jp:00059455,
 author = {Sun, Quanfu and Tokonami, Shinji and Hou, Chongsong and Zhuo, Weihai and Zhang, Shouzhi and Ishikawa, Tetsuo and Furukawa, Masahide and Akiba, Suminori and Yamada, Yuji and 孫 全冨 and 床次 眞司 and 卓 維海 and 石川 徹夫 and 古川 雅英 and 秋葉 澄伯 and 山田 裕司},
 month = {May},
 note = {International Symposium on the Measurement and Assessment of Radon and Thoron in the Environment},
 title = {Indoor concentration of radon and thoron of cave-dwellings in Yan'an and Luliang, China},
 year = {2002}
}