HS 2333+3927: A new sdB+dM binary with a large reflection effect U. Heber, H. Drechsel, R. Østensen, C. Karl, R. Napiwotzki, M. Altmann, O. Cordes, J.-E. Solheim, B. Voss, D. Koester and S. Folkes A&A, 420 1 (2004) 251-264 Published online: 14 May 2004 DOI: 10.1051/0004-6361:20041043