Bright OB stars in the Galaxy - I. Mass-loss and wind-momentum rates of O-type stars: A pure Hα analysis accounting for line-blanketingN. Markova, J. Puls, T. Repolust and H. MarkovA&A, 413 2 (2004) 693-709DOI: https://doi.org/10.1051/0004-6361:20031463