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
"McMahon, Gary","An environmental study of artisanal, small, and medium mining in Bolivia, Chile, and Peru",,World Bank,1999,World Bank technical paper,,0821344285,,https://cir.nii.ac.jp/crid/1130000796313213184