Metallicity and the spectral energy distribution and spectral types of dwarf O-starsM. R. Mokiem, N. L. Martín-Hernández, A. Lenorzer, A. de Koter and A. G. G. M. TielensA&A, 419 1 (2004) 319-334DOI: https://doi.org/10.1051/0004-6361:20040074
