@misc{oai:repo.qst.go.jp:00067876,
 author = {Tokonami, Shinji and Kobayashi, Yousuke and Takahashi, Hiroyuki and Zhuo, Weihai and Yonehara, Hidenori and 床次 眞司 and 小林 羊佐 and 卓 維海 and 米原 英典},
 month = {Sep},
 note = {6th International Conference on High Levels of Natural Radiation and Radon Areas},
 title = {Particality of the thoron calibration chamber system at NIRS, Japan},
 year = {2004}
}