1. P.G., Sheasby, R., Pinner, The Surface Treatment and Finishing of Aluminium and its Alloys, 6th Edition, ASM International, USA/ Finishing Publications Ltd, UK, 2001, 743.
2. Decorative and Protective Finishes Produced on Aluminium
3. P.G. Sheasby, R. Pinner, The Surface Treatment and Finishing of Aluminium and its Alloys, 6th Edition, ASM International, USA/ Finishing Publications Ltd, UK, 2001, 761 (after S. Koizumi, S. Ninagawa, S.J. Ueda, J. Metal Finishing Society Japan 19 (1968) 504).
4. AC anodizing of aluminium in modified sulphuric acid: the effect of temperature