@misc{oai:repo.qst.go.jp:00069197,
 author = {Ishikawa, Tetsuo and Tokonami, Shinji and Kobayashi, Yosuke and Sorimachi, Atsuyuki and Yatabe, Yoshinori and Miyahara, Nobuyuki and 石川 徹夫 and 床次 眞司 and 小林 羊佐 and 反町 篤行 and 谷田部 慶憲 and 宮原 信幸},
 month = {Oct},
 note = {8th Internation Symposium on the Natural Radiation Environment},
 title = {Evaluation of gas-filled ionization chamber method for radon measurement at two reference facilities},
 year = {2007}
}