Back to matchesWe found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleTopography of valley networks on Mars from Mars Express High Resolution Stereo Camera digital elevation models.AuthorsAnsan, Véronique; Mangold, Nicolas; Masson, Philippe; Gailhardis, Evelyne; Neukum, GerhardPublicationJournal of Geophysical Research. Planets, 2008, Vol 113, Issue E7, pn/aISSN2169-9097Publication typeArticleDOI10.1029/2007JE002986