[Reports] / Amer.inst.of aeronautics and astronautics. N 89-0650 : Characteristics of the ground vortex formed by a jet moving over a fixed ground plane : Rep. presented at the 27th aerospace sciences meet.,Jan.9-12,1989,Reno(Nv) / V.Stewart,G.Kemmerly, 1989. - 10 p. - Текст : непосредственный.