Rowsell J, Nazar LF (2000). „Speciation and Thermal Transformation in Alumina Sols: Structures of the Polyhydroxyoxoaluminum Cluster [Al30O8(OH)56(H2O)26]18+ and Its δ-Keggin Moieté”. Journal of the American Chemical Society122 (15): 3777–8. DOI:10.1021/ja993711.
Lukacs VA, Korting HC (1989). „[Antiperspirants and deodorants—ingredients and evaluation]” (German). Dermatosen in Beruf Und Umwelt37 (2): 53–7. PMID2656175.