@article{oai:repo.qst.go.jp:00057981,
 author = {Ishikawa, Tetsuo and Yasuoka, Yumi and Nagahama, Hiroyuki and Kawada, Yusuke and Omori, Yasutaka and Tokonami, Shinji and Shinogi, Masaki and 石川 徹夫 and 大森 康孝 and 床次 眞司},
 journal = {Anomalous Radon Concentration Prior to an Earthquake : A Case Study on the 1995 Kobe Earthquake, Japan Collected Papers},
 month = {Apr},
 pages = {1--13},
 title = {Chapter 1: Radon amomalies prior to earthquake (1) - Review of previous studies-},
 year = {2011}
}