著者名,書名,版表示,出版者名,出版年,シリーズ名,番号,ISBN,ISSN,URL "Beus, A. A. (Alekseĭ Aleksandrovich)",Geology of tungsten : International Geological Correlation Programme Project 26 'MAWAM',,Unesco,1986,Earth sciences,,9231021958,,https://cir.nii.ac.jp/crid/1130000795909182208