1. Bierman, G.J.: Factorization Methods for Discrete Sequential Estimation. Academic Press, New York (1977)
2. Chesley, S.R.: Potential impact detection for near-earth asteroids: the case of 99942 Apophis (2004 $$\text{MN}_4$$). In: Lazzaro, D., Ferraz-Mello, S., & Fernandéz, J. A. (eds.) Asteroids, Comets, Meteors. IAU Symposium, vol. 229, pp. 215–228 (2006)
3. Chodas, P.W., Yeomans, D.K.: Orbit determination and estimation of impact probability for near-Earth objects. In: AAS Guidance and Control Conference, pp. 99–002(1999)
4. Clarke V.C., Bollman, W.E., Feitis, P.H., Roth, R.Y.: Design parameters for ballistic interplanetary trajectories part II. One-Way Transfers to Mercury and Jupiter. JPL Technical Report No. 32-77 (1966)
5. Dorroh, W.E., Thornton, T.H.: Strategies and systems for navigation corrections. Astronaut. Aeronaut. 8(May), 50–55 (1970)