[Reports] / Amer.inst.of aeronautics and astronautics. N 89-2049 : Environmentally induced surface roughness effects on laminar flow airfoils: implications for flight safety : Paper presented at AIAA/AHS/ASEE aircraft design, systems and operations conf., Seattle(Wa), July 31-Aug.2, 1989 / M.B.Bragg,G.M.Gregorek, 1989. - 10 p. - Текст : непосредственный.
[Reports] / Amer.inst.of aeronautics and astronautics. N 88-4484 : High speed transpacific passenger flight : Paper presented at AIAA/ASH/ASEE aircraft design, systems and operations meet., Sept.7-9, 1988, Atlanta(Ga) / G.M.Gregorek,R.R.Boyd,P.S.Weissman, 1988. - 12 p. - Текст : непосредственный.