1. ESA Space Debris Office, ESAs annual space environment report, 2023, https://www.sdo.esoc.esa.int/environment_report/Space_Environment_Report_latest.pdf.
2. EUSST, 2022, (https://www.eusst.eu/newsroom/eu-sst-confirms-fragmentation-cosmos-1408/).
3. NASA, The Intentional Destruction of Cosmos 1408, 2022, (https://orbitaldebris.jsc.nasa.gov/quarterly-news/pdfs/odqnv26i1.pdf).
4. Exploration of an innovative ranging method for bi-static radar, applied in LEO space debris surveying and tracking;Bianchi,2020
5. A new concept of transmitting antenna on bi-static radar for space debris monitoring;Bianchi,2022