Jacobson, R. A.; Spitale, J. et al. (2005). "The GM values of Mimas and Tethys and the libration of Methone". Astronomical Journal132 (2): 711. doi:10.1086/505209. Bibcode: 2006AJ....132..711J.
Jacobson, R. A.; Spitale, J. et al. (2005). "The GM values of Mimas and Tethys and the libration of Methone". Astronomical Journal132 (2): 711. doi:10.1086/505209. Bibcode: 2006AJ....132..711J.