Author,Title,Edition,Publisher,Year,Series,Number,ISBN,ISSN,URL "Pannell, J.R. and Frazer, R. A. and Bateman, H.","Experiments on rigid airship R.32, Pt.1: Pressures on the upper fin and rudder",,H.M.S.O. ; 1923,1923,"Aeronautical Research Committee, reports and memoranda",,,,https://cir.nii.ac.jp/crid/1130000795277855360