1. Bel’kovich, O.I., Grishchenyuk, A.I., Ishmukhametova, M.G., et al., The Structure of the Perseid Meteoric Stream from Visual Observations during 1972–1993, Astron. Vestn., 1995, vol. 29, no. 6, pp. 542–546 [Sol. Syst. Res. (Engl. Transl.), 1995, vol. 29, no. 6, pp. 473–477].
2. Bel’kovich, O.I. and Ishmukhametova, M.G., Present-Day Methods of Processing of Visual Observations of Meteor Streams and Their Potentialities, Astron. Vestn., 2001, vol. 35, no. 5, pp. 440–448 [Sol. Syst. Res. (Engl. Transl.), 2001, vol. 35, no. 5, pp. 400–407].
3. Brown, P. and Jones, J., Simulation of the Formation and Evolution of the Perseid Meteoroid Stream, Icarus, 1998, vol. 133, no. 1, pp. 36–68.
4. Koschack, R. and Roggemans, P., The 1989 Perseid Meteor Stream, WGN Int. Meteor Organization, 1991, vol. 19, no. 3, pp. 87–98.
5. Levin, B.Yu., Fizicheskaya teoriya meteorov i meteornoe veshchestvo v Solnechnoi sisteme (Physical Theory of Meteors and Meteor Matter in the Solar System), Moscow: Nauka, 1956.