1. A.N. Christensen, Studier over nogle hydrotermalt fremstillede oxider og hydroxider, Dr. Phil. Thesis, Aarhus Universitets Kemiske Institut, 1967.
2. Inorganic Chemistry;Holleman,2001
3. Hydrolysis of inorganic iron(III) salts
4. Hydrolysis of Iron(III)…Chaotic Olation Versus Nucleation
5. W. Schneider, B. Schwyn, in: W. Stumm (Ed.), Aquatic Surface Chemistry. Wiley, New York, 1987, pp. 167–196.