1. Walker, J. H., Winje, R. A., and McKenna, K. J. "An investigation of low frequency longitudinal vibration of the Titan II missile during Stage I Right/' TRW Space Technology Labs. Rept. 6438-6001-RU-OOO (March 26, 1964): also Addendum (June 30,1964).
2. March 1964;Bikle F. E.
3. ^ Rubin, S. "Instability model of missile longitudinal oscillation due to propulsion feedback/' Aerospace Corp., Rept. TOR-269(4126)-2S (September 21, 1964).