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
"Bird, Byron Matthew and Marshall, Stewart McCulloch and Washington (State) University and Pacific coke & coal co and United States. Bureau of mines","Jigging, classification, tabling, and flotation tests of coals presenting difficult washing problems : with particular reference to coals from Pierce county, Wash",,U.S.G.P.O.,1931,Bulletin,,,,https://cir.nii.ac.jp/crid/1130000798061781760