Near-infrared low-resolution spectroscopy of Pleiades L-type brown dwarfs G. Bihain, R. Rebolo, M. R. Zapatero Osorio, V. J. S. Béjar and J. A. Caballero A&A, 519 (2010) A93 Published online: 17 September 2010 DOI: 10.1051/0004-6361/200913676