(en) Hayyan M, Hashim MA, Al Nashef IM (2016). Superoxide Ion: Generation and Chemical Implications. Chem. Rev.116 (5): 3029–3085. PMID26875845. DOI: 10.1021/acs.chemrev.5b00407.
(en) Tainer JA, Getzoff ED, Beem KM, Richardson JS, Richardson DC (1982). Determination and analysis of the 2 A-structure of copper, zinc superoxide dismutase. J. Mol. Biol.160 (2): 181–217. PMID7175933. DOI: 10.1016/0022-2836(82)90174-7.
(en) Hayyan M, Hashim MA, Al Nashef IM (2016). Superoxide Ion: Generation and Chemical Implications. Chem. Rev.116 (5): 3029–3085. PMID26875845. DOI: 10.1021/acs.chemrev.5b00407.
(en) Tainer JA, Getzoff ED, Beem KM, Richardson JS, Richardson DC (1982). Determination and analysis of the 2 A-structure of copper, zinc superoxide dismutase. J. Mol. Biol.160 (2): 181–217. PMID7175933. DOI: 10.1016/0022-2836(82)90174-7.