FIRST, a fibered aperture masking instrument - II. Spectroscopy of the Capella binary system at the diffraction limitE. Huby, G. Duchêne, F. Marchis, S. Lacour, G. Perrin, T. Kotani, É. Choquet, E. L. Gates, O. Lai and F. AllardA&A, 560 (2013) A113DOI: https://doi.org/10.1051/0004-6361/201321894