[Reports] / Amer.inst.of aeronautics and astronautics. N 89-2011 : Unmanned high altitude long-endurance aircraft : Rep. presented at the AIAA/AHS/ASEE aircraft design, systems a. operations conf.,July 31 - Aug.2, 1989, Seattle(Wa) / C.Patterson, 1989. - 8 p. - Текст : непосредственный.