Episodes of floods in Mangala Valles, Mars, from the analysis of HRSC, MOC and THEMIS images - Basilevsky, A.T.; Neukum, G.; Werner, S.C.; Dumke, A.; Van Gasselt, S.; Kneissl, T.; Zuschneid, W.; Rommel, D.; Wendt, L.; Chapman, M.; Head, J.W.; Greeley, R. (Planetary and Space Science, 2009)