1. The long-period motion of the plane of a distant circular orbit;Allan;Proc. Roy. Soc. Lond. Ser. A Math. Phys. Sci.,1964
2. The ARTEMIS mission;Angelopoulos;Space Sci. Rev.,2011
3. Anz-Meador, P., 2017. Orbital Debris Quarterly News: The OD Environment in Numbers. nASA Orbital Debris Program Office. .
4. The THEMIS fluxgate magnetometer;Auster,2009
5. Electronic Filter Simulation & Design;Bianchi,2007