Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Oritate T and Koyama S and Iida K and Takamura T and Abe K,482 Linearity between radioactivity and counts with GCA901A/WG,Japanese Journal of Radiological Technology,0369-4305,Japanese Society of Radiological Technology,1995,51,10,1551,https://cir.nii.ac.jp/crid/1390001206380664192,https://doi.org/10.6009/jjrt.kj00001353252