Herbert W. Roesky, Ionel Haiduc, and Narayan S. Hosmane «Organometallic Oxides of Main Group and Transition Elements Downsizing Inorganic Solids to Small Molecular Fragments». Chem. Rev., vol. 103, 7, 2003, pàg. 2579–2596. DOI: 10.1021/cr020376q. PMID: 12848580.
Cornell, R. M.; Schwertmann, U. The Iron Oxides: Structure, Properties, Reactions, Occurrences and Uses, Second Edition, 2003, p. 323. DOI10.1002/3527602097. ISBN 9783527302741.
Herbert W. Roesky, Ionel Haiduc, and Narayan S. Hosmane «Organometallic Oxides of Main Group and Transition Elements Downsizing Inorganic Solids to Small Molecular Fragments». Chem. Rev., vol. 103, 7, 2003, pàg. 2579–2596. DOI: 10.1021/cr020376q. PMID: 12848580.