1. Surface features and the rotation state of Halley's nucleus;Abergel;Ann. Geophys.,1988
2. A possible satellite of 146Lucina;Arlot;Icarus,1985
3. Further support for minor planet multiplicity;Binzel;Occ. Newsl.,1978
4. Is 1220 Crocus a precessing, binary asteroid?;Binzel;Icarus,1985
5. Methods of Celestial Mechanics;Brouwer,1961