Search Results - Schaaf, Fred

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  1. 1

    Seeing the solar system telescopic projects, activities, and explorations in astronomy by Schaaf, Fred

    Published 1991
    Book


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  2. 2

    Seeing the sky 100 projects, activities and explorations in astronomy by Schaaf, Fred

    Published 1990
    Book


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  3. 3

    Comet of the century from Halley to Hale-Bopp by Schaaf, Fred

    Published 1997
    Book


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