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Books by Axel Vilfred Nielsen

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2 books found
. . . Tables for facilitating the determination of the perturbations of meteors by the earth (Meddelelser fra Ole Romer observatoriet i ararhus)
. . . Tables for facilitating the determination of the pert…
By: Axel Vilfred Nielsen
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The period of the variable star T Vulpeculae
The period of the variable star T Vulpeculae
By: Axel Vilfred Nielsen
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