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Hansen, C.J.; Byrne, S.; Portyankina, G.; Bourke, M.; Dundas, C.; McEwen, A.; Mellon, M.; Pommerol, Antoine; Thomas, Nicolas (2013). Observations of the northern seasonal polar cap on Mars: I. Spring sublimation activity and processes. Icarus, 225(2), pp. 881-897. Elsevier 10.1016/j.icarus.2012.09.024
Hansen, C.J.; Bourke, M.; Bridges, N.T.; Byrne, S.; Colon, C.; Diniega, S.; Dundas, C.; Herkenhoff, K.; McEwen, A.; Mellon, M.; Portyankina, G.; Thomas, N. (2011). Seasonal Erosion and Restoration of Mars' Northern Polar Dunes. Science, 331(6017), pp. 575-578. Washington, D.C.: American Association for the Advancement of Science 10.1126/science.1197636
Hansen, C.J.; Thomas, N.; Portyankina, G.; McEwen, A.; Becker, T.; Byrne, S.; Herkenhoff, K.; Kieffer, H.; Mellon, M. (2010). HiRISE observations of gas sublimation-driven activity in Mars' southern polar regions: I. Erosion of the surface. Icarus, 205(1), pp. 283-295. Amsterdam: Elsevier 10.1016/j.icarus.2009.07.021
