著者名,タイトル,雑誌名,ISSN,出版者名,出版日付,巻,号,ページ,URL,URL(DOI) Yang,135Cs activity and 135Cs/137Cs atom ratio in environmental samples before and after the Fukushima Daiichi Nuclear Power Plant accident,Sci. Rep.,,,2016,,,,https://cir.nii.ac.jp/crid/1370569381783677830,