FRANCIUM (CHEMISCHE ELEMENTE)
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BTALKALIMETALLE (CHEMISCHE ELEMENTE)
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UDC546.37
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Descriptor GERFRANCIUM (CHEMISCHE ELEMENTE)
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Descriptor ENGFRANCIUM (CHEMICAL ELEMENTS)
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Descriptor FREFRANCIUM (ÉLÉMENTS CHIMIQUES)
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Variant GERCHEMISCHE ELEMENTE/FRANCIUM
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Variant GERFR (FRANCIUM)
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Variant ENGCHEMICAL ELEMENTS/FRANCIUM
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Variant ENGFR (FRANCIUM)
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Variant FREFR (FRANCIUM)