Schober, H. J.; ve diğerleri. (April 1979), "Photoelectric photometry and rotation periods of three large and dark asteroids - 49 Pales, 88 Thisbe and 92 Undina", Astronomy and Astrophysics Supplement Series, 36, ss.1-8, Bibcode:1979A&AS...36....1S.
Taylor, G. E., "Progress in accurate determinations of diameters of minor planets", Asteroids, comets, meteors; Proceedings of the Meeting, Uppsala, Sweden, June 20–22, 1983, ss.107-109, Bibcode:1983acm..proc..107T.
Magri, Christopher; ve diğerleri. (January 2007), "A radar survey of main-belt asteroids: Arecibo observations of 55 objects during 1999–2003", Icarus, 186 (1), ss.126-151, Bibcode:2007Icar..186..126M, doi:10.1016/j.icarus.2006.08.018
Magri, Christopher; ve diğerleri. (January 2007), "A radar survey of main-belt asteroids: Arecibo observations of 55 objects during 1999–2003", Icarus, 186 (1), ss.126-151, Bibcode:2007Icar..186..126M, doi:10.1016/j.icarus.2006.08.018