Showing 1 - 2 results of 2 for search 'Kalmár Elek (1862-1947)', query time: 0.02s Refine Results
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Az üstökösök és bolygók kapcsolatai : Die Beziehungen zwischen den Kometen und Planeten
by Kalmár Elek (1862-1947)
Published: 1943
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Az üstökös mégsem test : The comets are no bodies after all
by Kalmár Elek (1862-1947)
Published: 1939
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