1. Tapley, B.D., Bettadpur, S., Ries, J.C., Thompson, P.F., and Watkins, M.M. “GRACE Measurements of Mass Variability in the Earth System,” Science, Vol. 305, No. 5683, 2004, pp. 503–505.
2. Mulder, T. A. “Orbital Express Autonomous Rendezvous and Capture Flight Operations,” presented as paper AAS 08-209 at the AAS/AIAA Spaceflight Mechanics Meeting, Galveston, TX, Jan. 27-31, 2008.
3. Juang, J.-N. “Controllability and Observability of Large Flexible Spacecraft in Noncircular Orbits,” AIAA Journal of Guidance, Control, and Dynamics, Vol. 3, March-April 1980, pp. 186–188.
4. Junkins, J.L. and Kim, Y. Introduction to Dynamics and Control of Flexible Structures, Washington, DC: AIAA Education Series, 1993.
5. Rhodes, M.D., Will, R.W., and Wise, M.A. “A Telerobotic System for Automated Assembly of Large Space Structures,” Technical Report NASA-TM-101518, Langley Research Center, March 1, 1989.