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4by National Science Foundation (U.S.). Office of Polar Programs, National Science Foundation (U.S.). Division of Polar Programs“...); title from caption Imprint varies: Washington, D.C., <1979>-1993; Arlington, VA, 1994- Some issues...”
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5by National Science Foundation (U.S.). Office of Polar Programs.Subjects: “...National Science Foundation (U.S.). Office of Polar Programs...”
Published 1993
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6by National Science Foundation (U.S.). Office of Polar Programs.Subjects: “...National Science Foundation (U.S.). Office of Polar Programs...”
Published 1981
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7by National Science Foundation (U.S.). Office of Polar Programs.Subjects: “...National Science Foundation (U.S.). Office of Polar Programs...”
Published 1993
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8by National Science Foundation (U.S.). Office of Polar Programs.Subjects: “...National Science Foundation (U.S.). Office of Polar Programs...”
Published 1984
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9by National Science Foundation (U.S.). Office of Polar Programs.Subjects: “...National Science Foundation (U.S.). Office of Polar Programs...”
Published 1981
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10by National Science Foundation (U.S.). Office of Polar Programs.Subjects: “...National Science Foundation (U.S.). Office of Polar Programs...”
Published 1981
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11by National Science Foundation (U.S.). Office of Polar Programs.Subjects: “...National Science Foundation (U.S.). Office of Polar Programs...”
Published 1983
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12by National Science Foundation (U.S.). Office of Polar Programs.Subjects: “...National Science Foundation (U.S.). Office of Polar Programs...”
Published 1983
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13by National Science Foundation (U.S.). Office of Polar Programs.Subjects: “...National Science Foundation (U.S.). Office of Polar Programs...”
Published 1984
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14by National Science Foundation (U.S.). Office of Polar Programs.Subjects: “...National Science Foundation (U.S.). Office of Polar Programs...”
Published 1982
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15by National Science Foundation (U.S.). Office of Polar Programs.Subjects: “...National Science Foundation (U.S.). Office of Polar Programs...”
Published 1985
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16by National Science Foundation (U.S.). Office of Polar Programs.Subjects: “...National Science Foundation (U.S.). Office of Polar Programs...”
Published 1985
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17by National Science Foundation (U.S.). Office of Polar Programs.Subjects: “...National Science Foundation (U.S.). Office of Polar Programs...”
Published 1984
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18by National Science Foundation (U.S.). Office of Polar Programs.Subjects: “...National Science Foundation (U.S.). Office of Polar Programs...”
Published 1984
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19by National Science Foundation (U.S.). Office of Polar Programs.Subjects: “...National Science Foundation (U.S.). Office of Polar Programs...”
Published 1986
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20by National Science Foundation (U.S.). Office of Polar Programs.Subjects: “...National Science Foundation (U.S.). Office of Polar Programs...”
Published 1986
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