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 "Daasch, Harry Lawrence and Hug, John",A study of torque and its influencing factors as related to commercial tapping of metals,,Iowa State College of Agriculture and Mechanic Arts,1935,Bulletins of the Iowa Engineering Experiment Station,,,,https://cir.nii.ac.jp/crid/1130000795042247296