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Chicago-viite (17. p.)ebrary, Inc. Enhancing NASA's Contributions to Polar Science: A Review of Polar Geophysical Data Sets. Washington, D.C.: National Academy Press, 2001.
MLA-viite (9. p.)ebrary, Inc. Enhancing NASA's Contributions to Polar Science: A Review of Polar Geophysical Data Sets. National Academy Press, 2001.
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