1. BROUWER, D. “Solution to the Problem of Artificial Satellite Theory without Drag,” Astronomical Journal, Vol. 64, 1959, pp. 378–397.
2. COFFEY, S.L., NEAL, H.L., SEGERMAN, A.M., and TRAVISANO, J.J. “An Analytic Orbit Propagation Program for Satellite Catalog Maintenance,” AAS Paper 95-426, AAS/AIAA Astrodynamics Specialist Conference, Halifax, Nova Scotia, August 1995.
3. DEPRIT, A. “The Elimination of the Parallax in Satellite Theory,” Celestial Mechanics, Vol. 24, No. 2, 1981, pp. 111–153.
4. STEELE, JR., G.L. Common Lisp, the Language, Digital Press, 1990.
5. ECKERT, W.J., WALKER, M. J., and ECKERT, D. “Transformations of the Lunar Coordinates and Orbital Parameters,” Astronomical Journal, Vol. 71, No. 5, 1966, pp. 314–332.