1. R. Faith, ed., ASM Handbook Surface Engineering, vol. 5, ASM International, 1994.
2. European Union, Proposal for a Directive of the European Parliament and of the Council on the Restriction of the Use of Certain Hazardous Substances in Electrical and Electronic Equipment – Impact Assessment, 2008, pp. 78.
3. On conversion coating treatments to replace chromating for Al alloys: recent developments and possible future directions;Kulinich;Russ. J. Non-Ferrous Met.,2012
4. B.C. Nickerson, E. Lipnickas, Characterization of a viable non-chromated conversion coating for aluminum and its alloys by electrochemical and out her methods, in: Proc. 2003 Tri-Service Corros. Conf., 2003, pp. 1–17.
5. L. Li, Corrosion Protection Provided By Trivalent Chromium Process, Thesis, 2013.