[Reports] / Amer.inst.of aeronautics and astronautics. N 89-2020 : Propulsion optimization for conceptual STOVL aircraft : Rep. presented at the AIAA/AHS/ASEE aircraft design, systems a. operations conf., July 31 - Aug.2, 1989, Seattle(Wa) / C.T.Havey,M.M.Kline, 1989. - 9 p. - Текст : непосредственный.