"Provisional Recommendations". Nomenclature of Inorganic Chemistry. Chemical Nomenclature and Structure Representation Division. IUPAC. § IR-3.3.2. Archived from the original on 27 October 2006. Retrieved 2024-08-01.
"Provisional Recommendations". Nomenclature of Inorganic Chemistry. Chemical Nomenclature and Structure Representation Division. IUPAC. § IR-3.3.2. Archived from the original on 27 October 2006. Retrieved 2024-08-01.