Scerri, Eric (18 de enero de 2021). «Provisional Report on Discussions on Group 3 of the Periodic Table». Chemistry International43 (1): 31-34. S2CID231694898. doi:10.1515/ci-2021-0115.
Wang, Xuefang; Andrews, Lester; Riedel, Sebastian; Kaupp, Martin (2007). «Mercury Is a Transition Metal: The First Experimental Evidence for HgF4». Angew. Chem. Int. Ed.46 (44): 8371-8375. PMID17899620. doi:10.1002/anie.200703710.
Wang, Xuefang; Andrews, Lester; Riedel, Sebastian; Kaupp, Martin (2007). «Mercury Is a Transition Metal: The First Experimental Evidence for HgF4». Angew. Chem. Int. Ed.46 (44): 8371-8375. PMID17899620. doi:10.1002/anie.200703710.
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Scerri, Eric (18 de enero de 2021). «Provisional Report on Discussions on Group 3 of the Periodic Table». Chemistry International43 (1): 31-34. S2CID231694898. doi:10.1515/ci-2021-0115.