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 "横山, 一己",Chemical compositions of electrum grains in ore and placer deposits in the Japanese islands,,National Museum of Nature and Science,2011,National Museum of Nature and Science monographs,,9784878030345,,https://cir.nii.ac.jp/crid/1130282270587846016