Spectroscopy across the brown dwarf/planetary mass boundary - I. Near-infrared JHK spectra J. Patience, R. R. King, R. J. De Rosa, A. Vigan, S. Witte, E. Rice, Ch. Helling and P. Hauschildt A&A, 540 (2012) A85 Published online: 30 March 2012 DOI: 10.1051/0004-6361/201118058