1. Lagrange, J. L., “Theorie de la Libration de la Lune.” Oeuvres, Tome V, p. 1.
2. Merrick, V. K., Some Control Problems Associated With Earth-Oriented Satellites, NASA TN D-1771, 1963.
3. Scott, E. D., “Control-Moment Gyro Gravity Stabilization,” AIAA paper 63-324.
4. Roberson, R. E., and Breakwell, J. V., “Satellite Vehicle Structure,” United States Patent Office no. 3,031,154, April, 1962.
5. De Bra, D. B., and Delp, R. H., “Satellite Stability and Natural Frequencies in a Circular Orbit,” J. Astron. Sci., Vol. VIII, No. 1, Spring, 1961.