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astronomical observations 2 astronomická pozorování astronomie 2 astronomy 2 proměnné hvězdy 2 variable stars 2
astronomical observations 2 astronomická pozorování astronomie 2 astronomy 2 proměnné hvězdy 2 variable stars 2
1
by Belopol'skij, Aristarch Apollonovič, 1854-1934
Published 1908
Subjects: ';
“...astronomical observations eczenas...”Published 1908
Book
2
by Belopol'skij, Aristarch Apollonovič, 1854-1934
Published 1912
Subjects: ';
“...astronomical observations eczenas...”Published 1912
Book