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 "Donaldson, J. A. and Holman, R. H. C. and Gilbert, M. A. and Geological Survey of Canada","Geochemistry (copper in bedrock), North Spirit Lake, Kenora District, Ontario",,Surveys and Mapping Branch,1964,Map,,,,https://cir.nii.ac.jp/crid/1130282272753529088