1. Goldstein, H. 1980, Classical Mechanics (Reading: Addison-Wesley)
2. Heiskanen, W. A., & Moritz, H. 1967, Physical Geodesy (San Francisco: W.H. Freeman and Company)
3. Kinoshita, H., Hori, G., & Nakai, H. 1974, Modified Jacobi polynomials and its applications to expansions of disturbing functions, Annals of the Tokyo Astronomical Observatory, Second Series, Vol. XIV N.1
4. Lichtenberg, A. J., & Lieberman, M. A. 1992, Regular and Chaotic Dynamics (New York: Springer-Verlag)
5. The Jacobi constant for a cometary orbiter