Metallicity of M dwarfs - IV. A high-precision [Fe/H] and Teff technique from high-resolution optical spectra for M dwarfsV. Neves, X. Bonfils, N. C. Santos, X. Delfosse, T. Forveille, F. Allard and S. UdryA&A, 568 (2014) A121DOI: https://doi.org/10.1051/0004-6361/201424139
