@article{oai:repo.qst.go.jp:00043494,
 author = {Ichitsubo, Hirokazu and Yamada, Yuji and 一坪 宏和 and 山田 裕司},
 issue = {1},
 journal = {Health Physics},
 month = {},
 pages = {79--81},
 title = {Effect of a grounded object on radon measurement using Alphaguard},
 volume = {87},
 year = {2004}
}