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3. V. P. Perevezentsev et al., Tsvetn. Metal., No. 7 (1971).
4. G. V. Samsonov et al., Protective Coatings on Metals [in Russian], Vol. 6, Naukova Dumka, Kiev (1972).
5. A. I. Vitkin and I. I. Teindl, Metallic Coatings for Sheet and Strip Steel [in Russian], Metallurgiya, Moscow (1971).