1. I. D. Novikov and A. S. Sharov, The Man Who Discovered the Universe (Moscow, 1989) [in Russian].
2. S. Weinberg, The First Three Minutes (Moscow, 1982).
3. M. V. Sazhin, Popular Modern Cosmology (Moscow, 2002) [in Russian].
4. A. M. Cherepashchuk and A. D. Chernin, Universe, Life, Black Holes (Fryazino, 2003) [in Russian].
5. A. M. Cherepashchuk and A. D. Chernin, Horizons of the Universe (Novosibirsk, 2005) [in Russian].