High resolution spectroscopy and emission line imaging of DEM L 71 with XMM-Newton K. J. van der Heyden, J. A. M. Bleeker, J. S. Kaastra and J. Vink A&A, 406 1 (2003) 141-148 Published online: 17 November 2003 DOI: 10.1051/0004-6361:20030658