[Reports] / Amer.inst.of aeronautics and astronautics. N 89-2916 : technique for the measurement of blade tip clearance in a gas turbine : Rep. presented at the AIAA/ASME/SAE/ASEE 25th joint propulsion conf.,Monterey(Ca),July 10-12,1989 / J.Chivers, 1989. - 12 p. - Текст : непосредственный.