1. Possible alternative to geostationary earth orbit;Christian;J. Guid. Control Dyn.,2015
2. Orbit perturbations and station keeping of communication satellites;Shrivastava;AIAA J.,1978
3. Geostationary orbit control considering deterministic cross coupling effects;Eckstein,1990
4. Handbook of Geostationary Orbits;Soop,1994
5. Geostationary Satellite Orbital Analysis and Collocation Strategies;Li,2010