(1918 -1947 = 1917/18-1946/1947 (lac))
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Annual report of the director of the Mount Wilson Observatory [1918-1947 = 1917/18-1946/47] / Mount Wilson Observatory
[périodique] Voir les bulletins disponibles
[périodique] Voir les bulletins disponibles Annual report of the director of the Mount Wilson Observatory [1918-1947 = 1917/18-1946/47] = Annu. rep. dir. Mt. Wilson Obs. [titre abrégé] [texte imprimé] / Mount Wilson Observatory, Auteur ; Carnegie institution of Washington, Auteur . - Washington, D.C. : Carnegie Institution of Washington. ISSN : 1057-4360 Annuel. - 26 cm - Suite de : Annual report of the director of the Mount Wilson Solar Observatory (1907-1917). - Devient : Annual report of the director - Mount Wilson and Palomar Observatories, ISSN 1057-4379. Langues : Anglais (eng)
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