New neighbours - VI. Spectroscopy of DENIS nearby stars candidates F. Crifo, N. Phan-Bao, X. Delfosse, T. Forveille, J. Guibert, E. L. Martín and C. Reylé A&A, 441 2 (2005) 653-661 Published online: 19 September 2005 DOI: 10.1051/0004-6361:20052998