HST/STIS spectroscopy of the exposed white dwarf in the short-period dwarf nova EK TrAB. T. Gänsicke, P. Szkody, E. M. Sion, D. W. Hoard, S. Howell, F. H. Cheng and I. HubenyA&A, 374 2 (2001) 656-661DOI: https://doi.org/10.1051/0004-6361:20010787