Hydrodynamic models for β Cephei variables - I. BW Vulpeculae revisited A. Fokin, Ph. Mathias, E. Chapellier, D. Gillet and N. Nardetto A&A, 426 2 (2004) 687-693 Published online: 11 October 2004 DOI: 10.1051/0004-6361:20040418