Seventeen new very low-mass members in Taurus - The brown dwarf deficit revisited S. Guieu, C. Dougados, J.-L. Monin, E. Magnier and E. L. Martín A&A, 446 2 (2006) 485-500 Published online: 13 January 2006 DOI: 10.1051/0004-6361:20053493