Dennerl, K., Lisse, C. M., Bhardwaj, A., Burwitz, V., Englhauser, J., Gunell, H., et al. (2006). First observation of Mars with XMM-Newton: high resolution X-ray spectroscopy with RGS. Astronomy & Astrophysics, 451(2), 709-722. doi:10.1051/0004-6361:20054253.