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.