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) Gerrit Budde and Thomas S. Kruijer and Thorsten Kleine,Hf-W chronology of CR chondrites: Implications for the timescales of chondrule formation and the distribution of 26Al in the solar nebula,Geochimica et Cosmochimica Acta,0016-7037,Elsevier BV,2018-02,222,,284-304,https://cir.nii.ac.jp/crid/1362544419362633216,https://doi.org/10.1016/j.gca.2017.10.014