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Latest comment: 4 years ago1 comment1 person in discussion
It appears that the book Moons and Planets (Hartmann, William K. "Moons and planets." Belmont, CA, Wadsworth Publishing Co., 1983, 526 p. (1983).) is missing from the bibliography. — Preceding unsigned comment added by 129.242.224.17 (talk) 14:57, 19 November 2019 (UTC)Reply
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