Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Kikunaga H and Ohtsuki T and Fujimura H,"Atmospheric activity concentration of radiocesium at Mikamine, Sendai and radioactivity distribution on the collection filters used in the measurement",ELPH annual report,21867968,仙台 : 東北大学電子光理学研究センター,2011,,,234-236,https://cir.nii.ac.jp/crid/1520572360187019264,