1. Abercromby, K., Abell, P., Barker, E.: Reflectance spectra comparison of orbital debris, intact spacecraft, and intact rocket bodies in the GEO regime. In: 5th European Conference on Space Debris, ESOC, Darmstadt, Germany (2009)
2. Baker, R.M.L.: Astrodynamics: Applications and Advanced Topics. Academic Press Inc. (1967). ISBN-13: 978-0120756568.
3. Calef, B., Afrikano, J., Birge, B., Kervin, P.: Photometric signature inversion. In: Gamiz, V. (ed.) Unconventional Imaging II. Proceedings of SPIE, vol. 6307 (2006)
4. Candy, J., Rozmus, W.: A symplectic integration algorithm for separable Hamiltonian functions. J. Comput. Phys. 92(1), 230–256 (1991)
5. Clifford, W.: Mathematical papers (1882)