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) Akagi Tasuku and Nakai Shun'ichi and Masuda Akimasa,"In-pattern tetrad effect-like variation, so far overlooked, but obviously observed in REE abundances of REE minerals.",GEOCHEMICAL JOURNAL,00167002,一般社団法人日本地球化学会,1998,32,2,135-141,https://cir.nii.ac.jp/crid/1390282679527484544,https://doi.org/10.2343/geochemj.32.135