1. E. Stansbery, Orbital Debris Frequently Asked Questions, in NASA, 2009.
2. A Guide to Orbital Space Debris: Orbital Decay—A Debris Sink;Kennewell,2010
3. Hole size and crack length models for spacecraft walls under oblique hypervelocity projectile impact;Schonberg;Aerosp. Sci. Technol.,1999
4. Meteroroid/Debris Shielding;Christiansen,2003
5. Ballistic limit equations for spacecraft shielding;Christiansen;Int. J. Impact Eng.,2001