Analysis of Galactic late-type O dwarfs: more constraints on the weak wind problemW. L. F. Marcolino, J.-C. Bouret, F. Martins, D. J. Hillier, T. Lanz and C. EscolanoA&A, 498 3 (2009) 837-852DOI: https://doi.org/10.1051/0004-6361/200811289