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2. F. J. McMulkin: AIME Open Hearth Proceedings, 1955, vol. 38, pp. 241–254; Journal of Metals, April, 1955, vol. 7, pp. 530–534.
3. O. Cuscoleca: AIME Trans., 1954, vol. 200, pp. 817–827; Journal of Metals, July 1954, vol. 6, pp. 817–827.
4. One Year LD-Oxygen Refining Process, Vereinigte Oesterreichische Eisen—und Stahlwerke, AG (VOEST), Linz-Donau, 1954, 56 pp.
5. H. Trenkler and H. F. Hauttmann: Metal Progress, Jan. 1956, vol. 69, pp. 49–56.