Jan E. True; T. Darrah Thomas; Rolf W. Winter; Gary L. Gard (2003). "Electronegativities from Core-Ionization Energies: Electronegativities of SF5 and CF3". Inorganic Chemistry. 42 (14): 4437–4441. doi:10.1021/ic0343298. PMID12844318.
Jan E. True; T. Darrah Thomas; Rolf W. Winter; Gary L. Gard (2003). "Electronegativities from Core-Ionization Energies: Electronegativities of SF5 and CF3". Inorganic Chemistry. 42 (14): 4437–4441. doi:10.1021/ic0343298. PMID12844318.