著者名,論文名,雑誌名,ISSN,出版者名,出版日付,巻,号,ページ,URL,URL(DOI) PFEIFFER W. C.,Measurements of environmental radiation exposure dose rates at selected sites in Brazil,Anais.Acad.Brasil.Cienc.,,,1981,53,,683-691,https://cir.nii.ac.jp/crid/1572543024126967168,