1.
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New York : Copernicus Books, 2006.
TL789.8.U62 C55 2006 |
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2.
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[Washington, D.C.? : National Aeronautics and Space Administration, 2003]
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3.
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Boston, Little, Brown [1970]
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4.
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New York : First Person Productions in association with Collins, 2005.
TL789.8.U6 A575 2005 |
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5.
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New York : Carlton, 1999.
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6.
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New York : Farrar, Straus, Giroux, c1979.
TL789.8.U5 W64 1979 |
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7.
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New York, Simon and Schuster, c1962.
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