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Buratti, B. J.; Britt, D. T.; Soderblom, L. A.; Hicks, M. D.; Boice, D. C.; Brown, R. H.; et al. (January 2004). "9969 Braille: Deep Space 1 infrared spectroscopy, geometric albedo, and classification". Icarus. 167 (1): 129–135. Bibcode:2004Icar..167..129B. doi:10.1016/j.icarus.2003.06.002.