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 University of Texas at Austin. Petroleum Extension Service and Association of Drilled Shaft Contractors (U.S.),Orientation for offshore crane operations,2nd ed.,"Petroleum Extension Service, University of Texas at Austin",1997,Rotary drilling,,0886981794,,https://cir.nii.ac.jp/crid/1130000798034933888