1. A geosynchronous orbit search strategy;Africano;Space Debris,2000
2. The MASTER-2001 model;Bendisch;Adv. Space Res.,2004
3. Methods of Celestial Mechanics;Beutler,2004
4. Astrometry and satellite orbits: theoretical considerations and typical applications;Hugentobler;Geodütisch-geophysikalische Arbeiten in der Schweiz,1998
5. A Method for the Validation of Space Debris Models and for the Analysis and Planning of Radar and Optical Surveys;Krag,2003