@misc{oai:repo.qst.go.jp:00067344,
 author = {Fujimoto, Kenzo and Noda, Yutaka and 藤元 憲三 and 野田 豐},
 month = {May},
 note = {Seventh International Symposium, Natural Radiation Environment},
 title = {gamma Ray Direction Finder},
 year = {2002}
}