1. G. D. Bengough and J. M. Stuart, A Process of Producing a Coloured Surface on Aluminium or Aluminium Alloys, GB Patent No. 223 995 (1923).
2. G. D. Bengough and J. M. Stuart, Improved Process of Protecting Surfaces of Aluminium of Aluminium Alloys, GB Patent No. 223,994 (1923).
3. GOST (State Standard) 9.305-84 Unified System of Protection from Corrosion and Aging: Metallic and Nonmetallic Inorganic Coatings (1984).
4. P. Banerjee, I. Perez, L. Henn-Lecordier, et al., Nat. Nanotechnol. 4, 292 (2009). https://doi.org/10.1038/nnano.2009.37
5. E. E. Karpov, E. F. Karpov, A. Suchkov, et al., Sens. Actuators, A 194, 176 (2013). https://doi.org/10.1016/j.sna.2013.01.057