1. See, for example, O. Kubaschewski and B. E. Hopkins,Oxidation of Metals and alloys, 2nd Ed., Butterworths, London (1962); K. Hauffe,Oxidation of Metals, Plenum Press, New York (1965).
2. W. Gruhl, Z. Metall.40, 1949, p. 225.
3. J. R. Anderson and V. P. Tare,1st Australian Conf. in Electrochemistry, Pergamon Press, London (1963).
4. L. Heijne, Philips Res. Rep. Suppl.4 (1961).
5. J. M. Eldridge and D. W. Dong, Sur. Sci.40, 1973, p. 512.