Author,Title,Edition,Publisher,Year,Series,Number,ISBN,ISSN,URL "Fellensiek, Jürgen",Untersuchungen zur Hydrodynamik in Tauchsicherungen,,VDI Verlag,1990,Fortschritt-Berichte VDI,,3181404039,,https://cir.nii.ac.jp/crid/1130282272192880640