@article{oai:repo.qst.go.jp:00044272,
 author = {Yasuoka, Yumi and Ishikawa, Tetsuo and Tokonami, Shinji and et.al and 安岡 由美 and 石川 徹夫 and 床次 眞司},
 issue = {6},
 journal = {Applied Geochemistry},
 month = {Jun},
 pages = {1064--1072},
 title = {Evidence of precursor phenomena in the Kobe earthquake obtained from atmospheric radon concentration},
 volume = {21},
 year = {2006}
}