@article{oai:repo.qst.go.jp:00045031,
 author = {Omori, Yasutaka and Yasuoka, Yumi and Nagahama, Hiroyuki and Kawada, Yusuke 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 = {5},
 journal = {Natural Hazards and Earth System Sciences},
 month = {Oct},
 pages = {629--635},
 title = {Anomalous radon emanation linked to preseismic electromagnetic phenomena},
 volume = {7},
 year = {2007}
}