1. A. M. Cherepashchuk, Nasledie Galileya (Galilean legacy) Collection of lectures presented at the meeting “Astronomy and Society”, Ed. by A. A. Boyarchuk and D. S. Wiebe (Skif, Moscow, 2009).
2. M. Safonova, C. S. Stalin, New Astronomy 15, 1 (2010).
3. A. A. Kiselev, Yu. N. Gnedin, E. A. Grosheva, et al., Astronom. Zh. 84, 118 (2007).
4. M. Safonova and P. Shastri, Astroph. and Space Sci. 325, 47 (2010).
5. T.-N. Lu and A. K. H. Kong, arXiv:1102.1668