New neighbours: IV. 30 DENIS late-M dwarfs between 15 and 30 parsecs N. Phan-Bao, J. Guibert, F. Crifo, X. Delfosse, T. Forveille, J. Borsenberger, N. Epchtein, P. Fouqué and G. Simon A&A, 380 2 (2001) 590-598 Published online: 15 December 2001 DOI: 10.1051/0004-6361:20011461