[Reports] / Amer.inst.of aeronautics and astronautics. N 89-2661 : Low density indications in radiographs of solid rocket motor nozzle ablatives : Rep. presented at the AIAA/ASME/SAE/ASEE 25th joint propulsion conf.,Monterey(Ca),July 10-12,1989 / P.Kelly,A.Thompson, 1989. - 6 p. - Текст : непосредственный.