1. Robotics in the service of astronomy;Ellery;Royal Astronomical Society Journal of Astronomy and Geophysics,2003
2. Space systems flexibility provided by on-orbit servicing: part 1;Saleh;AIAA Journal of Spacecraft and Rockets,2002
3. J. Kreisel, On-orbit servicing of satellites (OOS): its potential market and impact, in: Proceedings of the Advanced Space Technologies for Robotics and Automation Conference (ASTRA 2002), ESA-ESTEC, Noordwijk, Holland, November 2002.
4. J. Kreisel, On-orbit servicing (OOS): issues and commercial implications, in: International Astronautics Congress, 2003, Paper No. IAC-03-IAA-3.1.05.
5. E. Settlemeyer, E. Lehrl, W. Oesterlin, R. Hartmann, K. Landzettal, Experimental servicing satellite—ESS, Technical Report TR 98-c-14, 1998.