[Reports] / Amer.inst.of aeronautics and astronautics. N 89-1807 : Flow visualization studies of the tip vortex system of a semi-infinite wing : Rep. presented at the AIAA 20th fluid dynamics, plasma dynamics, lasers conf,,June 12-14, 1989, Buffalo,NY / A.Winkelman, 1989. - 18 p. - Текст : непосредственный.