Shepard, Michael K.; et al. (January 2015), "A radar survey of M- and X-class asteroids. III. Insights into their composition, hydration state, & structure", Icarus, 245: 38–55, Bibcode:2015Icar..245...38S, doi:10.1016/j.icarus.2014.09.016.
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MacLennan, Eric M.; Emery, J. P. (October 2013), "Constraints on Spin Axis and Thermal Properties of Asteroids in the WISE Catalog", American Astronomical Society, DPS meeting #45, Bibcode:2013DPS....4520819M, 208.19
Warner, Brian D. (April 2012), "Asteroid Lightcurve Analysis at the Palmer Divide Observatory: 2011 September - December", The Minor Planet Bulletin, 39 (2): 69–80, Bibcode:2012MPBu...39...69W, ISSN1052-8091
Shepard, Michael K.; et al. (January 2015), "A radar survey of M- and X-class asteroids. III. Insights into their composition, hydration state, & structure", Icarus, 245: 38–55, Bibcode:2015Icar..245...38S, doi:10.1016/j.icarus.2014.09.016.
Hardersen, P. S.; et al. (March 2007), "Near-IR Reflectance Spectra of M-Asteroids 250 Bettina, 369 Aeria, 413 Edburga, and 931 Whittemora", 38th Lunar and Planetary Science Conference, (Lunar and Planetary Science XXXVIII), held March 12–16, 2007 in League City, Texas. LPI Contribution No. 1338, p. 1956, Bibcode:2007LPI....38.1956H.
Warner, Brian D. (April 2012), "Asteroid Lightcurve Analysis at the Palmer Divide Observatory: 2011 September - December", The Minor Planet Bulletin, 39 (2): 69–80, Bibcode:2012MPBu...39...69W, ISSN1052-8091