1. The active space debris removal mission RemoveDebris. Part 2: In orbit operations;Aglietti;Acta Astronautica,2020
2. Astrophysical quantities;Allen,1973
3. Star counts as an indicator of galactic structure and quasar evolution;Bahcall;Astrophys J,1980
4. Brandenberger, A.J. 1962. The Use of Baker-Nunn Cameras for Tracking of Artificial Earth Satellites. Photogrammetric Engineering & Remote Sensing Journal (PE&RS), ASPRS Soc., Nov. issue, 727. Also available in electronic form at: https://www.asprs.org/wp-content/uploads/pers/1962journal/nov/1962_nov_727-735.pdf.
5. Physical characterization of the deep-space debris WT1190F: A testbed for advanced SSA techniques;Buzzoni;Adv. Space Res.,2019