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 United Nations Industrial Development Organization. Sectoral Studies Branch,"Environmental assessment and management in the production of six non-ferrous metals (aluminum, nickel, copper, lead, zinc, and tin)",,United Nations Industrial Development Organization,1987,Sectoral studies series,,,,https://cir.nii.ac.jp/crid/1130282271003757440