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 "Pippard, A. J. Sutton",Stresses in a stiff jointed polygonal frame under a system of parallel loads,,H.M.S.O.,1923,"Aeronautical Research Committee, reports and memoranda",,,,https://cir.nii.ac.jp/crid/1130282271398577536