1. The European space debris safety and mitigation standard;Alby F.;ESA Special Publication,2001
2. Estimated Leonid meteoroid uences under storm conditions;Beech M.;ESA Special Publication,1997
3. Ariane debris mitigation measures;Bonnal C.;ESA Special Publication,1997
4. Chamberlain S. A. & Slauenwhite T. A. 1993 United States space command space surveillance network overview. In Proc. 1st European Conf. on Space Debris Darmstadt Germany 5{ 7 April 1993 pp. 37{42. Darmstadt: European Space Operations Center.
5. Christiansen E. L. Bernhard R. P. Hyde J. L. Kerr J. H. Edelstein K. S. Ortega J. & Crews J. L. 1993 Assessment of high velocity impacts on exposed space shuttle surfaces. In Proc. 1st European Conf. on Space Debris Darmstadt Germany 5{7 April 1993 pp. 447{ 452. Darmstadt: European Space Operations Center.