@article{oai:repo.qst.go.jp:00045462,
 author = {Yamada, Junya and Oka, Mitsuaki and Shimo, Michikuni and Minami, Kazuyuki and Minato, Susumu and Sugino, Masato and Hosoda, Masahiro and Fukushi, Masahiro and 山田 純也 and 下 道國 and 細田 正洋},
 journal = {The Natural Radiation Environment : 8th International Symposium (NRE VIII), Buzios, Rio de Janeiro, Brazil, 7-12 October 2007 (AIP Conference Proceedings ; vol. 1034)},
 month = {Nov},
 pages = {498--502},
 title = {The effect of geological and geographical features on environmntal radiation},
 volume = {1034},
 year = {2008}
}