Inhomogeneities on the surface of 21 Lutetia, the asteroid target of the Rosetta mission - Ground-based results before the Rosetta fly-byD. Perna, E. Dotto, M. Lazzarin, S. Magrin, M. Fulchignoni, M. A. Barucci, S. Fornasier, S. Marchi and C. BarbieriA&A, 513 (2010) L4DOI: https://doi.org/10.1051/0004-6361/201014051
