1. Bombardment as a cause of the lunar asymmetry;Wood;The Moon,1973
2. E.M. Shoemaker, R.F. Wolfe, Cratering time scales for the Galilean satellites, in: D. Morrison (Ed.), Satellites of Jupiter, University of Arizona Press, Tucson, AZ, 1982, pp. 277–339.
3. Cratering rate over the surface of a synchronous satellite;Horedt;Icarus,1984
4. Non-uniformity of impacts on the Moon (in Japanese);Ishizaki;Planet. People,1997
5. Cratering rates on the Galilean satellites;Zahnle;Icarus,1998