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) KALERVO RANKAMA,NEW EVIDENCE OF THE ORIGIN OF PRE-CAMBRIAN CARBON,Geological Society of America Bulletin,0016-7606,Geological Society of America,1948,59,5,389,https://cir.nii.ac.jp/crid/1361699994119314304,https://doi.org/10.1130/0016-7606(1948)59[389:neotoo]2.0.co;2