1. Anselmo, L., Pardini, C., 2007. Long-Term Evolution of High Earth Orbits: Effects of Direct Solar Radiation Pressure and Comparison of Trajectory Propagators. ISTI/CNR Technical Report.
2. Mathematical Methods for Physicists;Arfken,2005
3. Bethencourt, A., Wang, J., Rizos, C. Kearsley, A.H.W., 2005. Using personal computers in spherical harmonic synthesis of high degree Earth geopotential models. In: Dynamic Planet 2005, Cairns, Australia.
4. Methods of Celestial Mechanics II: Application to Planetary System, Geodynamics and Satellite Geodesy;Beutler,2005
5. Satellites Orbits and Missions;Capderou,2005