Campbell, W. W. (). „Discovery of Asteroids by Photography”. Publications of the Astronomical Society of the Pacific. 4 (26): 264. Bibcode:1892PASP....4..264C. doi:10.1086/120521.
Piironen, J.; et al. (martie 1998), „Physical studies of asteroids. XXXII. Rotation periods and UBVRI-colours for selected asteroids”, Astronomy and Astrophysics Supplement, 128: 525–540, Bibcode:1998A&AS..128..525P, doi:10.1051/aas:1998393.
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Campbell, W. W. (). „Discovery of Asteroids by Photography”. Publications of the Astronomical Society of the Pacific. 4 (26): 264. Bibcode:1892PASP....4..264C. doi:10.1086/120521.
Piironen, J.; et al. (martie 1998), „Physical studies of asteroids. XXXII. Rotation periods and UBVRI-colours for selected asteroids”, Astronomy and Astrophysics Supplement, 128: 525–540, Bibcode:1998A&AS..128..525P, doi:10.1051/aas:1998393.
