Discovery of a stellar companion to the nearby solar-analogue HD 104304C. Schnupp, C. Bergfors, W. Brandner, S. Daemgen, D. Fischer, G. Marcy, Th. Henning, S. Hippler and M. JansonA&A, 516 (2010) A21DOI: https://doi.org/10.1051/0004-6361/201014740