HS 2237+8154: On the onset of mass transfer or entering the period gap?B. T. Gänsicke, S. Araujo-Betancor, H.-J. Hagen, E. T. Harlaftis, S. Kitsionas, S. Dreizler and D. EngelsA&A, 418 1 (2004) 265-270DOI: https://doi.org/10.1051/0004-6361:20035591
