1. M. F. A’Hearn, M. J. S. Belton, W. A. Delamere, et al., “Deep Impact: Excavating Comet Tempel 1,” Science 310, 258–264 (2005).
2. Bacterial Paleontology, Ed. by A. Yu. Rozanov (Paleontol. Inst. Ross. Akad Nauk, Moscow, 2002) [in Russian].
3. A. A. Barenbaum, Galaxy, Solar System, Earth: Coordinated Processes and Evolution (GEOS, Moscow, 2002) [in Russian].
4. S. A. Benner, M. A. Carrigan, A. Ricardo, and F. Frye, “Setting the Stage: The History, Chemistry, and Geobiology behind RNA,” in The RNA World, Ed. by R. F. Gesteland, T. R. Cech, and J. F. Atkins (Cold Spring Lab. Press, New York, 2006), pp. 1–21.
5. A. G. Cairns-Smith, Genetic Takeover and the Mineral Origin of Life (Cambridge Univ. Press, Cambridge, 1982).