1. Neumann, A., Geile, C., Staemm, S., and Hannemann, K.: “DLR's Electric Propulsion Test Facility – the First Three Years of Thruster Operation”; Joint Conference of 30th International Symposium on Space Technology and Science, 34th International Electric Propulsion Conference and 6th Nano-satellite Symposium, Hyogo-Kobe, Japan, July 4-10, 2015, IEPC-2015-59, 2015.
2. Neumann, A., Sinske, J., and Hans-Peter Harmann: “The 250mN Thrust Balance for the DLR Goettingen EP Test Facility”, IEPC-2013-211, Presented at the 33rd International Electric Propulsion Conference, Washington, D.C., USA, October 6-10, 2013.
3. Harmann, H.-P., Koch, N., and Kornfeld, G., “The ULAN Test Station and its Diagnostic Package for Thruster Characterization,” International Electric Propulsion Conference, IEPC-2007-119, September 17-20, 2007Neumann, A., Sinske, J., and Harmann, H.-P. “The 250mN Thrust Balance for the DLR Göttingen EP Test Facility,” 34nd International Electric Propulsion Conference, IEPC-2013-211, October 6-10, 2013.