Sims, Michael
Time -- History Days Astronomy -- Miscellenea Astrology and mythology Astronomy -- Observations
New York [etc.] : Penguin Books, 2008
Books
9780143114413
Birney, D. Scott, 1926-
Astronomy -- Observations Astronomy -- Technique
Cambridge [etc.] : Cambridge University Press, 2006
Books
9780521853705
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