On X-ray pulsations in β Cephei-type variables L. M. Oskinova, H. Todt, D. P. Huenemoerder, S. Hubrig, R. Ignace, W.-R. Hamann and L. Balona A&A, 577 (2015) A32 Published online: 27 April 2015 DOI: 10.1051/0004-6361/201525908