(1927-1951 = 1925-1938)
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Observations made at the Royal Observatory Greenwich ... in astronomy and magnetism and meteorology [1927-1957 = 1925-1947] / Royal Greenwich observatory
[périodique] Voir les bulletins disponibles
[périodique] Voir les bulletins disponibles Observations made at the Royal Observatory Greenwich ... in astronomy and magnetism and meteorology [1927-1957 = 1925-1947] [texte imprimé] / Royal Greenwich observatory, Auteur . - London : Her majesty's stationery office (HMSO). Suite de : Astronomical and magnetical and meteorological observations made at the Royal Observatory, Greenwich Langues : Anglais (eng)
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