Three X-ray transients in M 31 observed with Swift R. Voss, W. Pietsch, F. Haberl, H. Stiele, J. Greiner, G. Sala, D. H. Hartmann and D. Hatzidimitriou A&A, 489 2 (2008) 707-711 Published online: 30 July 2008 DOI: 10.1051/0004-6361:20078970