1. Kollisionen zwischen Raumflugobjekten auf Erdumlaufbahnen und dabei moegliche Kettenreaktionseffekte;Eichler,1993
2. The Possible Long Term Overcrowding of LEO and the Necessity and the Effectiveness of Debris Mitigation Measures;Rex,1993
3. Interpretation Of The Distribution Of Large Craters On The Long Duration Exposure Facility (LDEF);Zhang,1993
4. NASA Safety Standard Guidelines and Assessment Procedures for Limiting Orbital Debris, Draft Version,1994
5. Introduction to the Theory of Flight of Artificial Earth Satellites;El'Yasberg,1967