@misc{oai:repo.qst.go.jp:00067903,
 author = {Zhuo, Weihai and Furukawa, Masahide and Guo, Qiuju and Shin, Kim Yoon and 卓 維海 and 古川 雅英},
 month = {Sep},
 title = {Soil radon flux and outdoor radon concentrations in East Asia},
 year = {2004}
}