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2. H. Thier:Weld Pool Chemistry and Metallurgy, The Welding Institute, London, 1980, p. 271.
3. M.L.E. Davis and N. Bailey:ibid., p. 289.
4. T.W. Eagar:Weld. J., 1978, vol. 57, p. 78-s.
5. A. Van Bemst:Revue de la Soudure, 1974, vol. 30, p. 38.