First albedo determination of 2867 Steins, target of the Rosetta missionS. Fornasier, I. Belskaya, M. Fulchignoni, M. A. Barucci and C. BarbieriA&A, 449 2 (2006) L9-L12DOI: https://doi.org/10.1051/0004-6361:20064913