Brückner, J., Dreibus, G., Jagoutz, E., Gellert, R., Lugmair, G., Rieder, R., Wänke, H., Zipfel, J., Klingelhöfer, G., Clark, B. C., Ming, D. W., Yen, A., & Herkenhoff, K. E. (2005). Hematite on the surface of Meridiani Planum and Gusev crater. In Lunar and Planetary Science XXXVI. Houston: Lunar and Planetary Institute.