[Reports] / Amer.inst.of aeronautics and astronautics. N 89-2050 : Evaluation of add-on drag reduction devices for light aircraft : Rep. presented at the AIAA/AHS/ASEE aircraft design, systems a. operations conf., July 31 - Aug.2, 1989, Seattle(Wa) / H.C.Smith, 1989. - 6 p. - Текст : непосредственный.