The highly ionized disk wind of GRO J1655-40 G. Sala, J. Greiner, J. Vink, F. Haberl, E. Kendziorra and X. L. Zhang A&A, 461 3 (2007) 1049-1056 Published online: 16 October 2006 DOI: 10.1051/0004-6361:20065168