[Reports] / Amer.inst.of aeronautics and astronautics. N 89-2728 : Liquid propellant content measurement methods applicable to space missions : Rep. presented at the AIAA/ASME/SAE/ASEE 25th joint propulsion conf.,Monterey(Ca),July 10-12,1989 / H.Trinks,T.Behring, 1989. - 11 p. - Текст : непосредственный.