1. V. S. Safronov, Evolution of Preplanetary Cloud and Formation of the Earth and Planets (Nauka, Moscow, 1969) [in Russian].
2. L. K. Levskii and L. A. Neimark, in The Early Crust: Its Composition and Age (Nauka, Moscow, 1991), pp. 48–62 [in Russian].
3. V. P. Merti, in The Early History of the Earth (Mir, Moscow, 1980), pp. 28–39 [in Russian].
4. M. A. Mishkin, Dokl. Earth Sci. 448 (1), 17–20 (2013).
5. A. Y. Glikson and I. B. Lambert, Tectonophysics 30, 55–89 (1976).