Permafrost landforms on Spitsbergen (Svalbard, Norway) – terrestrial analogues for Martian mid-latitude landscapes - Hauber, Ernst; Preusker, Frank; Trauthan, Frank; Jaumann, Ralf; Reiss, Dennis; Zanetti, Michael; Hiesinger, Harald; Ulrich, Mathias; Johansson, Lars; Johnsson, Andreas; Olvmo, Mats (The University Centre in Svalbard, 2010)