1. S.C. Wu, et al., MicroGPS for low-cost orbit determination, TDA Progress Report 42–131, 5 November 1997.
2. Q.P. Chu, P.Th.L.M. van Woerkom, GPS for low-cost attitude determination, in: 48th International Astronautical Congress, 6–10 October 1997, Turin, Italy.
3. R. Lopes, A. Silva, A. Prado, Navigation and attitude estimation from GPS pseudorange, carrier phase and Doppler observables, in: 53rd International Astronautical Congress, 10–19 October 2002, Houston, TX, USA.
4. Dynamics and control of low-altitude formations;Palmerini;Acta Astronautica,2007
5. E. Imre, P. Palmer, Y. Hashida, Precise relative orbit determination for low Earth orbit formation flight using GPS pseudo-range and carrier-phase measurements, in: 16th Annual/USU Conference on Small Satellites, 2002, Logan UT, USA.