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. Economic Commission for Asia and the Far East and United Nations. Educational, Scientific and Cultural Organization",Proceedings of the second seminar on geochemical prospecting methods and techniques,,United Nations,1970,Mineral resources development series,,,,https://cir.nii.ac.jp/crid/1130282272272406528