1. Collision frequency of artificial satellites: the creation of a debris Belt;Kessler;J. Geophys. Res.,1978
2. Design an operational practices for the passivation of spacecraft and launchers at the end of life;Bonnal;J. Aerosp. Eng.,2007
3. Space Debris mitigation measures applied to European launchers;Bonnal;Acta Astronaut.,2009
4. Stability of the future LEO Environment;Liou;IADC 12-08, Rev.,2013
5. J. Sanmartín, Propellantless deorbiting of space debris by bare electrodynamic Tethers, 51th Session of the Scientific Subcommittee, United Nations Committee on the Peaceful Uses of Outer Space, 10-21 February, Viena, 2014.