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 "Cowley, W.L. and Lock, C.N.H.","A comparison between the aerodynamic properties of two aerofolis of the same section, but with square and rounded wing tise rounded wing tips respectively",,H.M.S.O.,1923,"Aeronautical Research Committee, reports and memoranda",,,,https://cir.nii.ac.jp/crid/1130000796811928704