The evolved early-type binary HDE 228766 revisited G. Rauw, P. A. Crowther, P. R. J. Eenens, J. Manfroid and J.-M. Vreux A&A, 392 2 (2002) 563-574 Published online: 30 August 2002 DOI: 10.1051/0004-6361:20020927