Measures of positions and areas of sun spots and faculae on photographs taken at Greenwich, Dehra Dun, and Melbourne with the deduced heliographic longitudes and latitudes, 1878-1881
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Formato: | Libro |
Idioma: | Inglés |
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London :
Printed for Her Majesty's Stationery Office, by Eyre and Spottiswoode
1891
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Ver en Biblioteca Universitat Ramon Llull: | https://discovery.url.edu/permalink/34CSUC_URL/1im36ta/alma991006765279706719 |