1. P. Laplace, Exposition du systeme du Monde (Chez courcier, Paris, 1808).
2. V. Fesenkov, Cosmogony of the Solar System (Akad. Nauk Kazakh. SSR, Alma-Ata, 1946) [in Russian].
3. V. Safronov, Evolution of the Protoplanetary Cloud and the Formation of the Earth and Planets (Nauka, Moscow, 1969) [in Russian].
4. M. Marov, The Planets of the Solar System (Nauka, Moscow, 1986) [in Russian].
5. A. Masevich and A. Tutukov, Stellar Evolution: Theory and Observations (Nauka, Moscow, 1988) [in Russian].