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
"Romanowitz, C. M. and Bennett, Harold J. and Dare, Wilbert L.",Gold placer mining : placer evaluation and dredge selection,,"U.S. Dept. of the Interior, Bureau of Mines",1970,Information circular,,,,https://cir.nii.ac.jp/crid/1130000796726927872