1. A.N. Rothwell, M.E.D. Turner, Mater. Perform. (1990) 55.
2. H.B. Luft, R. Voruganti, D. Degeer, Corrosion 89 (1989) Paper 304.
3. T.A. Bertness, F.E. Blount, Metall. Petrol. Eng. (1969) 525.
4. H.B. Carlisle, OTC (1969) paper 1050.
5. D.R. Anthony, NACE, Anaheim, California (1973) paper 90.