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2. Ductile Chromium, ASM, Cleveland/Ohio 1957.
3. Hansen, M., Anderko, K.: Constitution of Binary Alloys, New York: McGraw-Hill 1958.
4. Elliott, R. P.: Constitution of Binary Alloys, First Supplement, New York: McGraw-Hill 1965.
5. Kubaschewski, O.; Evans, E. Ll.; Alcock, C. B.: Metallurgical Thermochemistry, 4th ed., Oxford: Pergamon 1967.