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2. Estimation of the Low Earth Orbit Space Object Population Using a Non-Vertical Staring Radar;Alfriend;Proc. of First European Conference on Space Debris,1993
3. New Results of the Upgraded SDM Space Debris Modelling Software, IAA-99-IAA.6.5.08;Anselmo;50th Int. Astronautical Congress, Amsterdam, The Netherlands,1999
4. Comparisons Between Orbital Debris Measurement Data and Modeling Results - Difficulties and Special Features, SPIE 3116-25;Bade;SPIE - Optical Science, Engineering and Instrumentation Symposium, San Diego, CA,1997
5. PROOF - The Extension of ESA's MASTER Model to Predict Debris Detections, IAA-99-IAA.6.4.04;Bendisch;50th Int. Astronautical Congress, Amsterdam, The Netherlands,1999