Conradie, Jeanet; Ghosh, Abhik (2019). "Theoretical Search for the Highest Valence States of the Coinage Metals: Roentgenium Heptafluoride May Exist". Inorganic Chemistry58 (13): 8735–8738. doi:10.1021/acs.inorgchem.9b01139. பப்மெட்:31203606.
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Conradie, Jeanet; Ghosh, Abhik (2019). "Theoretical Search for the Highest Valence States of the Coinage Metals: Roentgenium Heptafluoride May Exist". Inorganic Chemistry58 (13): 8735–8738. doi:10.1021/acs.inorgchem.9b01139. பப்மெட்:31203606.