[Reports] / Amer.inst.of aeronautics and astronautics. N 89-2619 : Space shuttle orbiter main propulsion system flight safety enhancement : Rep. presented at the AIAA/ASME/SAE/ASEE 25th joint propulsion conf.,Monterey(Ca),July 10-12,1989 / P.Cota,D.L.Jones, 1989. - 8 p. - Текст : непосредственный.