1. Online index of objects launched into outer space,2023
2. A partial history of orbital debris: a personal view;Kessler;Orbital Debris Monitor,1993
3. Detecting, tracking and imaging space debris;Mehrholz;ESA Bull (0376-4265),2002
4. Space debris mitigation and remediation: historical best practices and lessons learned for economically preserving and utilizing common areas;Barry;New Space,2022
5. ESA'S annual space environment report,2023