1. A search for optically faint GEO debris;Seitzer,2011
2. Pan-starrs status and geo observations results;Bolden,2011
3. Optical observations of space debris in high-altitude orbits;Schildknecht,2005
4. The small size debris population in the GEO belt;Drolshagen,2009
5. Properties of the high area-to-mass ratio space debris population at high altitudes;Schildknecht;Adv. Sci. Res.,2008