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 "Harrington, J. F. and Ward, D. E. and Mckelvey, V. E. and U. S. Gelogical Survey",Sources of fertilized minerals in South America : a preliminary study,,U. S. Govt. Print. Off.,1966,Geological Survey bulletin,,,,https://cir.nii.ac.jp/crid/1130282269495450496