Llwytho...
Studies on venus transit and the calculation of astronomical unit (AU)
| Prif Awdur: | |
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| Cyhoeddwyd: |
astronomical observatory, University of Kerala
2005
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| Pynciau: |
University of Kerala
| Rhif Galw: |
z682 32L3;1 |
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| Copi | Nid yw'r Statws Byw ar Gael |