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4. Commission des Ephemerides
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- Journal:
- Transactions of the International Astronomical Union / Volume 11 / Issue 1 / 1962
- Published online by Cambridge University Press:
- 16 November 2021, pp. 1-7
- Print publication:
- 1962
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Appendix: Reports of the Directors of the National Ephemerides
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- Journal:
- Transactions of the International Astronomical Union / Volume 9 / 1957
- Published online by Cambridge University Press:
- 11 July 2017, pp. 84-89
- Print publication:
- 1957
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