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B. Famaey, D. Pourbaix, A. Frankowski, S. Van Eck, M. Mayor, S. Udry et A. Jorissen, « Spectroscopic binaries among Hipparcos M giants,. I. Data, orbits, and intrinsic variations », Astronomy and Astrophysics, vol. 498, no 2, , p. 627 (DOI10.1051/0004-6361/200810698, Bibcode2009A&A...498..627F, arXiv0901.0934)
F. M. Jiménez-Estéban, J. A. Caballero, R. Dorda, P. A. Miles-Páez et E. Solano, « Identification of red high proper-motion objects in Tycho-2 and 2MASS catalogues using Virtual Observatory tools », Astronomy & Astrophysics, vol. 539, , p. 12 (DOI10.1051/0004-6361/201118375, Bibcode2012A&A...539A..86J, arXiv1201.5315)