[Reports] / Amer.inst.of aeronautics and astronautics. N 89-2849 : Acoustic emission monitoring of SSME-ATD roller bearings : Rep. presented at the AIAA/ASME/SAE/ASEE 25th joint propulsion conf.,Monterey(Ca),July 10-12,1989 / M.Hawman,W.Galinaitis,M.Romano, 1989. - 8 p. - Текст : непосредственный.