An X-ray spectral survey of the disc of M 31 with XMM-Newton L. Shaw Greening, R. Barnard, U. Kolb, C. Tonkin and J. P. Osborne A&A, 495 3 (2009) 733-741 Published online: 30 January 2009 DOI: 10.1051/0004-6361/200809864