01674oam 2200481 450 991071297770332120200226123030.0(CKB)5470000002498413(OCoLC)1107323810(EXLCZ)99547000000249841320190703d1921 ua 0engurbn|||||||||txtrdacontentcrdamediacrrdacarrierVortices and the related principles of hydrodynamics /by A. Betz[Washington, D.C.] :National Advisory Committee for Aeronautics,1921.1 online resource (22 pages, 4 unnumbered pages) illustrationsTechnical notes / National Advisory Committee for Aeronautics ;No. 68"November, 1921.""Translated from Zeitschrift fűr Flugtechnik und Motorluftschiffahrt, July 15, 1921.""Translated by the National Advisory Committee for Aeronautics"--Page 22.No Federal Depository Library Program (FDLP) item number.Vortex-motionFluid dynamicsHydrodynamicsVortex-motionfastVortex-motion.Fluid dynamics.Hydrodynamics.Vortex-motion.Betz Albert1885-1965,4635United States.National Advisory Committee for Aeronautics,TRAALTRAALOCLCOOCLCFGPOBOOK9910712977703321Vortices and the related principles of hydrodynamics3451336UNINA