Grav, Tommy; Holman, Matthew J.; Gladman, Brett J.; Aksnes, KaarePhotometric survey of the irregular satellites,Icarus, 166,(2003), pp. 33-45. Preprint
Tommy Grav, Matthew J. Holman, and Wesley C. Fraser
Photometry of Irregular Satellites of Uranus and Neptune,The Astrophysical Journal, 613, (2004), pp. L77–L80. Preprint