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Karachentsev, I. D.; Kashibadze, O. G. Masses of the local group and of the M81 group estimated from distortions in the local velocity field (англ.) // Astrophysics : journal. — Springer, 2006. — Vol. 49, no. 1. — P. 3—18. — doi:10.1007/s10511-006-0002-6. — Bibcode: 2006Ap.....49....3K.
Sandage, Allan; Carlson, George. The brightest stars in nearby galaxies. V – Cepheids and the brightest stars in the dwarf galaxy Sextans B compared with those in Sextans A (англ.) // Астрономический Журнал : journal. — 1985. — July (vol. 90). — P. 1019—1026. — doi:10.1086/113809. — Bibcode: 1985AJ.....90.1019S.
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Sandage, Allan; Carlson, George. The brightest stars in nearby galaxies. V – Cepheids and the brightest stars in the dwarf galaxy Sextans B compared with those in Sextans A (англ.) // Астрономический Журнал : journal. — 1985. — July (vol. 90). — P. 1019—1026. — doi:10.1086/113809. — Bibcode: 1985AJ.....90.1019S.