Sheppard, S.S.; Jewitt, D. C.; Porco, C.C.; Jupiter's Outer Satellites and Trojans, in Jupiter: The Planet, Satellites and Magnetosphere, redigert av Fran Bagenal, Timothy E. Dowling, og William B. McKinnon, Cambridge Planetary Science, Vol. 1, Cambridge, UK: Cambridge University Press, ISBN 0-521-81808-7, 2004, s. 263-280