[Reports] / Amer.inst.of aeronautics and astronautics. N 89-2111 : Preliminary design of a family of close air support aircraft : Rep. presented at the AIAA/AHS/ASEE aircraft design, systems and operations conf., Seattle(Wa)/July 31 - Aug.2, 1989 / J.Tuschoff, 1989. - 10 p. - Текст : непосредственный.