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Priscu JC, Adams EE, Paerl HW, et al. Perennial Antarctic lake ice: A refuge for cyanobacteria in an extreme environment. In: Rogers SO, Castello J Life in Ancient Ice. Life in Ancient Ice. Princeton University Press; 2005:22-49. Available at: http://www.montana.edu/lkbonney/DOCS/Publications/PriscuEtAl2005CyanobacteriaRefuge.pdf.\par \par Tranter M, Fountain AG, Fritsen CH, et al. Perturbation of hydrochemical conditions in natural microcosms entombed within Antarctic ice. Ice and Climate News. 2005;6:22-23.\par \par McKay CP, Andersen DT, Pollard W, et al. Polar lakes, streams, and springs as analogs for the hydrological cycle on Mars. In:  Advances in Astrobiology and Biogeophysics. Advances in Astrobiology and Biogeophysics. Berlin, Heidelberg: Springer Verlag; 2005:219-233. doi:LTER.\par \par Priscu JC, Fritsen CH, Adams EE, et al. Perennial Antarctic Lake Ice:  An Oasis for Life in a Polar Desert. Science. 1998;280(5372):2095-2098. doi:10.1126/science.280.5372.2095.\par \par Adams EE, Priscu JC, Fritsen CH, R.Smith S, Brackman SL. Permanent Ice Covers of the McMurdo Dry Valley Lakes, Antarctica: Bubble Formation and Metamorphism. In:  Ecosystem Processes in a Polar Desert: The McMurdo Dry Valleys, Antarctica.Vol 72. Ecosystem Processes in a Polar Desert: The McMurdo Dry Valleys, Antarctica.; 1998:281-295.\par \par Fritsen CH, Adams EE, McKay CP, Priscu JC. Permanent Ice Covers of the McMurdo Dry Valleys Lakes, Antarctica: Liquid Water Contents. In:  Ecosystem Processes in a Polar Desert: The McMurdo Dry Valleys, Antarctica.Vol 72. Ecosystem Processes in a Polar Desert: The McMurdo Dry Valleys, Antarctica.; 1998:269-280.\par \par Fritsen CH, Priscu JC. Photosynthetic characteristics of cyanobacteria in permanent ice covers on lakes in the McMurdo Dry Valleys, Antarctica. Antarctic Journal of the United States - 1996 Review Issue (NSF 98-28). 1998;31(2):216-218.\par \par }