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Ronald D. Ekers
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ISBN-13
(ISBN-10)
year of publica-
tion
other author(s)
SETI 2020: A Roadmap for the Search for Extraterrestrial Intelligence
978-O-9666335-3-5
(O-9666335-3-9)
2002
Don Osgood
R.D.
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R. D. Ekers
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R. E.
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R. Ekers
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Ronald D.
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Ronald E.
Ronald D. Eller