Near infra-red spectroscopy of the asteroid 21 Lutetia - I. New results of long-term campaignM. Birlan, P. Vernazza, M. Fulchignoni, M. A. Barucci, P. Descamps, R. P. Binzel and S. J. BusA&A, 454 2 (2006) 677-681DOI: https://doi.org/10.1051/0004-6361:20054460
