References , ^ugusti, G., "Comment on 'Thermally Induced Vibration and Flutter of Flexible Booms,' "Journal of Spacecraft and Rockets, Vol. 8, Feb. 1971, pp. 202-204. 2 Jordan, P.P., "Comment on Thermally Induced Vibration and Flutter of a Flexible Boom,' " Journal of Spacecraft and Rockets, Vol. 8, Feb. 1971, pp. 204-205. Etkin, B. and Hughes, P.C., "Explanation of the Anomalous Spin Behavior of Satellites with Long Flexible Antennae," Journal of Spacecraft and Rockets, Vol. 4, Sept. 1967, pp. 1139-1145. Yu, Y.Y., "Reply by Author to P.P. Jordan and G. Augusti and New Results of Two-Mode Approximation Based on a Rigorous Analysis of Thermal Bending Flutter of a Flexible Boom," Journal of Spacecraft and Rockets, Vol. 8, Feb. 1971, pp. 205-208. Farrell, J.L. and Newton, J.K., "Continuous and Discrete RAE Structural Models," Journal of Spacecraft and Rockets, Vol. 6, April 1969, pp. 414-423. Farrell, J.L., Newton, J.K., Miller, J.A., and Solomon, E.N., "Optimal Estimation of Rotation Coupled Flexural Oscillations," Journal of Spacecraft and Rockets, Vol. 6, Nov. 1969, pp. 1290-1298.