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Thomas, N.; Hansen, C.J.; Portyankinaa, G.; Russell, P.S. (2010). HiRISE observations of gas sublimation-driven activity in Mars' southern polar regions: II. Surficial deposits and their origins. Icarus, 205(1), pp. 296-310. Amsterdam: Elsevier 10.1016/j.icarus.2009.05.030
