A library of near-infrared integral field spectra of young M–L dwarfs M. Bonnefoy, G. Chauvin, A.-M. Lagrange, P. Rojo, F. Allard, C. Pinte, C. Dumas and D. Homeier A&A, 562 (2014) A127 Published online: 19 February 2014 DOI: 10.1051/0004-6361/201118270