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iupac.org
Renner, Terrence (20. 2. 2010). „Element 112 is Named Copernicium”. International Union of Pure and Applied Chemistry. Архивирано из оригинала 22. 2. 2010. г. Приступљено 20. 2. 2010.
Renner, Terrence (20. 2. 2010). „Element 112 is Named Copernicium”. International Union of Pure and Applied Chemistry. Архивирано из оригинала 22. 2. 2010. г. Приступљено 20. 2. 2010.