Bruce-medalje: Verskil tussen weergawes
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→Lys van medajewenners: Verbeter |
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Lyn 43:
* 1947 [[Bernard Lyot]]
* 1948 [[Otto Struve]]
* 1949 [[Harold Spencer
* 1950 [[Alfred H. Joy]]
* 1951 [[Marcel Minnaert]]
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