Metallicity of M dwarfs - I. A photometric calibration and the impact on the mass-luminosity relation at the bottom of the main sequenceX. Bonfils, X. Delfosse, S. Udry, N. C. Santos, T. Forveille and D. SégransanA&A, 442 2 (2005) 635-642DOI: https://doi.org/10.1051/0004-6361:20053046
