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1منشور في 1978“...University of Nebraska--Lincoln...”
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2Ice-core drilling : proceedings of a symposium, University of Nebraska, Lincoln, 28-30 August 1974 /منشور في 1976“...University of Nebraska--Lincoln...”
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3
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4منشور في 1989“...University of Nebraska--Lincoln. Dept. of Art & Art History...”
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5منشور في 1982“...Japan-United States Business Conference (1981 : University of Nebraska, Lincoln campus)...”
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6منشور في 1983“...University of Nebraska--Lincoln. Center for Great Plains Studies...”
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7منشور في 1969“...University of Nebraska (Lincoln campus)...”
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8