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外文OA文献
>(1) Star-Lore for Teachers: Suggestions for the Teaching of Astronomy by direct Observation, Experiment, and Deduction (2) The Star Pocket-book; or, How to Find Your Way at Night by the Stars A Simple Manual for the Use of Soldiers, Travellers, and other Landsmen (3) Les Progrès Récents de l'Astronomie (III.—année 1909)
【2h】
(1) Star-Lore for Teachers: Suggestions for the Teaching of Astronomy by direct Observation, Experiment, and Deduction (2) The Star Pocket-book; or, How to Find Your Way at Night by the Stars A Simple Manual for the Use of Soldiers, Travellers, and other Landsmen (3) Les Progrès Récents de l'Astronomie (III.—année 1909)