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1by National Science Foundation (U.S.). Division of Polar Programs.“...Washington, D.C. : Division of Polar Programs, National Science Foundation...”
Published 1988
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2by United States Antarctic Research Program, National Science Foundation (U.S.). Division of Polar Programs“...Washington, D.C. : Division of Polar Programs, National Science Foundation...”
Published 1990
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3by United States Antarctic Research Program, National Science Foundation (U.S.). Division of Polar Programs“...Washington, D.C. : Division of Polar Programs, National Science Foundation...”
Published 1983
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4by National Science Foundation (U.S.). Division of Polar Programs.“...Washington, D.C. : Division of Polar Programs, National Science Foundation...”
Published 1986
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5by National Science Foundation (U.S.). Division of Polar Programs.“...National Science Foundation, Division of Polar Programs, Washington, D.C....”
Published 1977
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6by National Science Foundation (U.S.). Office of Polar Programs, National Science Foundation (U.S.). Division of Polar Programs“...[Washington, D.C.] : National Science Foundation [Division of Polar Programs : Supt. of Docs., U.S...”
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