Author:Earl Charles Slipher
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Works
[edit]- "Photographing the Planets with Especial Reference to Mars" in Publications of the Astronomical Society of the Pacific, volume 33, Number 193, pages 127–139 (1921)
Some or all works by this author are in the public domain in the United States because they were published before January 1, 1929.
This author died in 1964, so works by this author are in the public domain in countries and areas where the copyright term is the author's life plus 59 years or less. These works may be in the public domain in countries and areas with longer native copyright terms that apply the rule of the shorter term to foreign works.
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