1. Is there liquid water on Europa?;Cassen;Geophys. Res. Lett.,1979
2. Convection and lunar thermal history;Cassen;Phys. Earth Planet. Sci.,1979
3. Structural and thermal models of icy Galilean satellites;Consolmagno,1976
4. Io's surface and the histories of the Galilean satellites;Fanale,1977
5. Q in the solar system;Goldreich;Icarus,1966