1. Abergel, A., Bertaux, J.L., 1990, "Rotation states of the nucleus of comet Halley compatible with spacecraft images", Icarus
86, 21–29.
2. Belton, M.J.S., 1990, "Rationalization of comet Halley’s periods", Icarus
86, 30–51.
3. Bois, E., 1986, "First-order theory of satellite attitude motion - Application to Hip- parcos". Celestial Mech. 39, 309–327.
4. Bois, E., Oberti, P., Froeschlé, C., 1991, "Physical librations of comet nuclei". Celestial Mech., submitted.
5. Festou, M.C., Drossart, P., Lecacheux, J., Encrenaz, T., Puel, F., Kohl-Moreira, J.L., 1987, "Periodicities in the light curve of P/Halley and the rotation of its nucleus", Astron. Astrophys, 187, 575–580.