The BAA Campaign for Dark Skies: Twenty years ears on.
| Autor: | Mizon, Bob |
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| Zdroj: | Journal of the British Astronomical Association. Jun2009, Vol. 119 Issue 3, p159-161. 3p. 10 Color Photographs, 1 Black and White Photograph, 1 Diagram, 2 Graphs. |
| Databáze: | Academic Search Ultimate |
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