Showing 1 - 2 results of 2 for search 'Heyden, Francis J.', query time: 0.01s Refine Results
  1. 1
    by Heyden, Francis J.
    Published 1976
    Book

    A laboratory manual for undergraduate astronomy
  2. 2
    by Heyden, Francis J.
    Published 1975
    Book

    The complete astronomer
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