@inproceedings{oai:repo.qst.go.jp:00053523, author = {Yamasaki, Keizo and Oki, Yuichi and Yamada, Yuji and Tokonami, Shinji and Iida, Takao and 山崎 敬三 and 沖 雄一 and 山田 裕司 and 床次 眞司 and 飯田 孝夫}, book = {High Levels of Natural Radiation and Radon Areas : Radiation Does and Health Effects : Proceedings of the 6th International Conference on High Levels of Natural Radiation and Radon Areas, held in Osaka, Japan between 6 and 10 September 2004(International Congress Series ; no.1276)}, month = {May}, pages = {297--298}, publisher = {Elsevier}, title = {Optimization of measuring methods on size distribution of naturally occuring radioactive aerosols}, volume = {1276}, year = {2005} }