1. P. F. Kane and G. B. Larrabee, Characterization of Solid Surfaces, New York — London: Plenum Press. 1974.
2. A. W. Czanderna, Methods of Surface Analysis, Amsterdam: Elsevier. 1975.
3. A. Rahmel, Proc. Intern. Symp. on Chemical Metallurgy of Iron and Steel, Sheffield. 1971. p. 395.
4. R. H. Tien and E. T. Turkdogan, Metal Science 9, 233, 240 (1975).
5. E. T. Turkdogan and G. T. W. Kor, Metallurgical Trans. 2, 1561, 1571 (1971).