De spectroscopische dubbelster [Greek character] Aquilae benevens eenige algemeene opmerkingen over radiale snelheden ..

Internet Archive BookReader - De spectroscopische dubbelster [Greek character] Aquilae benevens eenige algemeene opmerkingen over radiale snelheden ..

The BookReader requires JavaScript to be enabled. Please check that your browser supports JavaScript and that it is enabled in the browser settings. You can also try one of the other formats of the book.