[Reports] / Amer.inst.of aeronautics and astronautics. N 89-2530 : Development of a dual-frequency microwave burn rate measurement system for solid rocket propellant : Rep. presented at the AIAA/ASME/SAE/ASEE 25th joint propulsion conf., Monterey(Ca), July 10-12, 1989 / D.T.Foss,R.J.Roby,W.F.O'Brien, 1989. - 7 p. - Текст : непосредственный.