Terrestrial gullies and debris-flow tracks on Svalbard as planetary analogs for Mars - Reiss, Dennis; Hauber, Ernst; Hiesinger, Harald; Jaumann, Ralf; Trauthan, Frank; Preusker, Frank; Zanetti, Michael; Ulrich, Mathias; Johnsson, Andreas; Johanson, Lars; Olvmo, Mats; Carlsson, Ella; et al. (Geological Society of America, 2011)