Extending the Canada-France brown dwarfs survey to the near-infrared: first ultracool brown dwarfs from CFBDSIRP. Delorme, L. Albert, T. Forveille, E. Artigau, X. Delfosse, C. Reylé, C. J. Willott, E. Bertin, S. M. Wilkins, F. Allard and D. ArzoumanianA&A, 518 (2010) A39DOI: https://doi.org/10.1051/0004-6361/201014277