Exploring the Trans-Neptunian Solar System
National Research Council
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Astronomy and Astrophysics for the 1980's, Volume 1 : Report of the Astronomy Survey Committee
National Research Council
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Author and Subject Indexes to Volumes 1-10 Literature 1969-1973
S. Bohme
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Astronomy and Astrophysics Abstracts : Literature 1982, Part 1
S. Bohme
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Astronomy and Astrophysics Abstracts : Volume 42 Literature 1986, Part 2
S. Bohme
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