Kopal, Z. e. (1972). Advances in astronomy and astrophysics: 9v. Academic Press.
Chicago Edition CitationKopal, Zdenek ed. Advances in Astronomy and Astrophysics: 9v. New York: Academic Press, 1972.
Deismireacht MLAKopal, Zdenek ed. Advances in Astronomy and Astrophysics: 9v. Academic Press, 1972.
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