Morel, Olivier J. X.; Christie, Robert M. (2011). "Current Trends in the Chemistry of Permanent Hair Dyeing". Chemical Reviews. 111 (4): 2537-2561. doi:10.1021/cr1000145. PMID21265503.
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Morel, Olivier J. X.; Christie, Robert M. (2011). "Current Trends in the Chemistry of Permanent Hair Dyeing". Chemical Reviews. 111 (4): 2537-2561. doi:10.1021/cr1000145. PMID21265503.