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3. BirdJ. D. “Stability of Ballistic Reentry Bodies,” NACA RM L-58, 1958.
4. FletcherH. S. “Damping in Pitch and Static Stability of a Group of Blunt Bodies from M=0.6 to 0.95,” NASA TM X-194, 1959.
5. FletcherH. S.WolhartW. D. “Damping in Pitch and Static Stability of Supersonic Impact Nose Cones, Short Blunt Subsonic Impact Nose Cones, and Manned Reentry Capsules at Mach Numbers from 1.93 to 3.05,” NASA TM X-347, 1960.