Analysis of near-IR spectra of 1 Ceres and 4 Vesta, targets of the Dawn mission P. Vernazza, T. Mothé-Diniz, M. A. Barucci, M. Birlan, J. M. Carvano, G. Strazzulla, M. Fulchignoni and A. Migliorini A&A, 436 3 (2005) 1113-1121 Published online: 03 June 2005 DOI: 10.1051/0004-6361:20042506