First observation of Mars with XMM-Newton - High resolution X-ray spectroscopy with RGS K. Dennerl, C. M. Lisse, A. Bhardwaj, V. Burwitz, J. Englhauser, H. Gunell, M. Holmström, F. Jansen, V. Kharchenko and P. M. Rodríguez-Pascual A&A, 451 2 (2006) 709-722 Published online: 02 May 2006 DOI: 10.1051/0004-6361:20054253