Spectral analysis of high resolution near-infrared spectra of ultra cool dwarfsY. Lyubchik, H. R. A. Jones, Y. V. Pavlenko, E. Martin, I. S. McLean, L. Prato, R. J. Barber and J. TennysonA&A, 473 1 (2007) 257-264DOI: https://doi.org/10.1051/0004-6361:20065386