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Showing 1 - 2 results of 2 for search '"Astronomy Observers manuals."', query time: 0.04s Refine Results
  1. 1
    The amateur astronomer
    by Rukl
    Published 1979
    Subjects: “…Astronomy Observers manuals.…”
  2. 2
    The Hamly guide to astronomy
    by BAKER
    Published 1978
    Subjects: “…Astronomy Observer's manual…”
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