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.
MLA Edition CitationKopal, Zdenek ed. Advances in Astronomy and Astrophysics: 9v. Academic Press, 1972.
Warning: These citations may not always be 100% accurate.