1. Anodische Passivierung von Titan
2. A. Ya. Shinyajev and V. V. Bondarev, Svarochnoye Proizvodstvo, 1963. No 10, 15 (Russian), also Engineers' Digest, 1963, 124, (No 12), 79.
3. The anodic polarization of titanium in halide solutions
4. W. Canning & Co Ltd, “Handbook on Electroplating” (20th edition 1966), 326. Cruickshanks', “Operataing Instructions for ‘A 101’ Bright Nickel Plating Solution,” Oct 1961.