1. Artyushkov E.V. (1994) Proc. Academy of Sciences, Vol. 336, No.5, pp. 680–683.
2. Bailey M.E. (1986) Month. Not. Roy. Astron. Soс. Vol. 218, No. 1, P.1–30.
3. Barenbaum A.A. (1990) Kometnyy Tsirkulyar. No. 418, Kiev State University, pp. 11-12.
4. Barenbaum A.A. (1990a) Kometnyy Tsirkulyar. No. 419, pp. 9–10.
5. Barenbaum A.A. (2002) Galaxy, Solar System, Earth. Subordinate processes and evolution (Moscow, PH: GEOS), 393 p.