Quantitative H and K band spectroscopy of Galactic OB-stars at medium resolution T. Repolust, J. Puls, M. M. Hanson, R.-P. Kudritzki and M. R. Mokiem A&A, 440 1 (2005) 261-286 Published online: 19 August 2005 DOI: 10.1051/0004-6361:20052739