[Reports] / Amer.inst.of aeronautics and astronautics. N 88-2954 : Towaeds the optimum ducted UHBR engine : Paper presented at AIAA/ASME/SAE/ASEE 24th joint propulsion conf., July 11-13, 1988, Boston(Ma) / J.A.Borradaile, 1989. - 6 p. - Текст : непосредственный.