1. Adilov, N., Alexander, P. J., & Cunningham, B. M. (2015). An economic analysis of earth orbit pollution. Environmental & Resource Economics, 60(1), 81–98.
https://doi.org/10.1007/s10640-013-9758-4
.
2. Cannon, P. (2013). Extreme space weather: Impacts on engineered systems and infrastructure. London: Royal Academy of Engineering. Retrieved from
https://www.raeng.org.uk/publications/reports/space-weather-full-report
.
3. de Zwart, M., Hays, P., Jakhu, R., Jaramillo, C., Meyer, P., Stephens, D., et al. (2018) Space security index 2018: Executive summary. ISBN: 978-1-927802-21-2. Retrieved from
http://spacesecurityindex.org/wp-content/uploads/2018/06/SSIExecutiveSummary2018.pdf
.
4. Easton, I. (2009). The great game in space: China’s evolving ASAT weapons programs and their implications for future U.S. strategy. Arlington, Virginia: Project 2049 Institute.
5. ESA (European Space Agency). 2017. Space debris by the numbers. Retrieved from
http://www.esa.int/Our_Activities/Operations/Space_Debris/Space_debris_-_by_the_numbers
.