1. ASI, BNSC, CNES, DLR, ESA, European Code of Conduct for Space Debris Mitigation, (Issue 2) 14 Sept., 2007.
2. Bastida, B., Krag, H. Strategies for active removal in LEO, in: Proceedings of the ‘5th European Conference on Space Debris’, Darmstadt, Germany 30 March–2 April 2009, ESA SP-672, July 2009.
3. Chobotov, V. A. Orbital mechanics third edition. AIAA, 2002.
4. EADS Astrium, RIT-XT. http://cs.astrium.eads.net/sp/SpacecraftPropulsion/Rita/RIT-XT.html, 2010.
5. Edelbaum, T.N. Propulsion requirements for controllable satellites. ARS Journal, 1079–1098, 1961.