1. Baggaley, W.J., Marsh, S.H., Close, S., 2007. In: Krueger, H., Graps, A. (Ed.), Proceedings of the Dust in Planetary System, SP-643, 27.
2. Theory of Probability and Mathematical Statistics;Gmurman,2003
3. Guliyev, A.S., Dadashov, A.S., 2009. On hyperbolic comets. In: Proceedings of the International Astronomical Union 5, S263, pp. 81–84.
4. Comets and trans-Neptunian planetary bodies;Guliyev;Azerbaijani Astron. J.,2011
5. Results of the study of distant nodes of long-period comets;Guliyev;Kinemat. Phys. Celest. Bodies,1999