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 "Lock, C. N. H. and Bateman, H.","Some experiments on airscrews at zero torque with applications to a helicopter descending with engine ""off,"" and to the design of windmills",,H.M.S.O.,1924,"Aeronautical Research Committee, reports and memoranda",,,,https://cir.nii.ac.jp/crid/1130000794579580800