(8) L. Leushacke and D. Mehrholz, &quot; Determination of physical characteristics of space debris, final report No. 6-95, DARA contract No. 50 ST 9003 (Wachtberg-Werthhoven, FGAN-FHP, July 1995).
8. L. Leushacke et D. Mehrholz, “Determination of physical characteristics of space debris”, final report n° 6-95, DARA contract n° 50 ST 9003 (Wachtberg-Werthhoven FGAN-FHP, juillet 1995).