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Astronomical observations with television-type sensors, 15-17 May 1973
La Riscoperta del cielo
Almagestū Cl. Ptolemei
Astronomie in Westfalen
Astronomy in Australia
Le Verrier
Sur les traces de Galilée
Leggere l'astronomia
Zhongguo Yunnan ri quan shi guan ce wen ji, 1980 nian 2 yue 16 ri
Giornate lincee indette in occasione del 350o anniversario della pubblicazione del "Dialogo sopra i massimi sistemi" di Galileo Galilei
Zhongguo tian wen xue shi wen ji
Simon Marius, der fränkische Galilei
The Cambridge encyclopaedia of astronomy
La comète impériale de 1811
Johannes von Gmunden
The Edmund mag 6 star atlas
Nicolás Copérnico, 500 aniversario, 1473-1973
Legado astronómico
Tian wen man tan
Zhongguo gu dai tian ti ce liang xue ji tian wen yi qi
Simmetrie dell'universo
Jan Heweliusz, wystawa
Mt John, the first 50 years
Astronomy
Galileo Galilei
Tian wen jia ming ren zhuan
The 500th anniversary of the birth of Nicholas Copernicus
Relacja pierwsza z ksiąg O obrotach Mikołaja Kopernika
Le Opere dei discepoli di Galileo Galilei
Astronomía para todos
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