[Reports] / Amer.inst.of aeronautics and astronautics. N 89-2638 : self diagnostic system for piezoelectric sensors : Rep. presented at the AIAA/ASME/SAE/ASEE 25th joint propulsion conf.,Monterey(Ca),July 10-12,1989 / W.Atherton,P.Flanagan, 1989. - 5 p. - Текст : непосредственный.