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) VILJOEN M. J.,"The Rustenburg section of Rustenburg Platinum Mines Limited, with reference to the Merensky Reef",Mineral Deposits of South Africa,,Geological Society of South Africa,1986,,,1107-1134,https://cir.nii.ac.jp/crid/1571698601335131008,