1. Cathodic Corrosion Control Ltd. UK Patent No. 880 519 (1961)
2. Anderson, D. B. and Vines, R.F., Extended extracts of the Second International Congress on Metallic Corrosion, March (1963)
3. Hayfield, P. C. S. Warne, M. A. and Jacob, W. R., ‘The Conditions for the Successful Use of Platinised Anodes’, Harrogate, 24-28 November (1981)