Every reference with a DOI in the deposited reference list resolved to a known
work in Crossref or DataCite at the dated check, and none carried a retraction,
withdrawal, or removal notice.
The 21 references without a DOI — listed, not checked
no DOI — not checkedD. Santander: The Future of Copper Pyrometallurgy, Proc. Symp. held during the First Latin American Congress of Mining and Extractive Metallurgy, Santiago, Chilean Institute of Mining Engineers, Chile, 1974, pp. 31–89.
no DOI — not checkedR.W. Ruddle: The Physical Chemistry of Copper Smelting, Institution of Mining and Metallurgy, London, 1993, pp. 40.
no DOI — not checkedL.R. Verney: Trans. Inst. Min. Metall., 1960, vol. 69, pp. 211–36.
no DOI — not checkedF.E. Lathe: Trans. Can. Inst. Min. Metall., 1951, vol. 54, pp. 95–104.
no DOI — not checkedL.R. Verney: Trans. Inst. Min. Metall., 1969, vol. 78, pp. C28-C42.
no DOI — not checkedC.R. Fountain, M.D. Coulter, and J.S. Edwards: Copper 1991, COBRE 91 Int. Symp. Proc., Pergamon Press, New York, NY, 1991, vol. IV, pp. 359–73.
no DOI — not checkedC.R. Fountain, J.M.I. Tuppurainen, N.R. Whitworth, and J.K. Wright: The Paul E. Queneau Int. Symp., TMS, Warrendale, PA, 1993, vol. II, pp. 1461–76.
no DOI — not checkedA. Muan and E.F. Osborn: Phase Equilibria among Oxides in Steelmaking, Addison-Wesley Publishing Company, Reading, MA, 1965, pp. 54 and 113.
no DOI — not checkedJ.F. Schairer and K. Yagi: Am. J. Sci., 1952, Bowen volume, part 2, pp. 471–512.
no DOI — not checkedR. Hay, J. White, and T.H. Caulfield: J. Soc. Glass Technol., 1937, vol. 21, pp. 270–80.
no DOI — not checkedC. Henrich: AIME, Trans., 1916, vol. 56, pp. 621–26.
no DOI — not checkedJ. Newton and C.L. Wilson: Metall. Copper, 1942, p. 126.
no DOI — not checkedW.T. Lankford, N.L. Samways, R.F. Craven, and H.E. McGannon: The Making, Shaping and Treating of Steel, 10th ed., United States Steel, Pittsburgh, PA, 1985, p. 326.
no DOI — not checkedA. Muan and E.F. Osborn: Yearbook Am. Iron Steel Inst., 1951, pp. 325–59.
no DOI — not checkedE. Jak, H.G. Lee, and P.C. Hayes: Kor. IMM J., 1995, vol. 1, pp. 1–8.
no DOI — not checkedE. Jak, S. Degterov, B. Zhao, A.D. Pelton, and P.C. Hayes: Proc. Zinc and Lead Processing Symp., Calgary, Canada, Can. Inst. Min. Met. and Petr., Montreal, Quebec, Canada, 1998, pp. 313–33.
no DOI — not checkedE. Jak, B. Zhao, and P.C. Hayes: Proc. 5th Int. Symp. on Metallurgical Slags and Fluxes, ISS-AIME, Sydney, 1997, pp. 719–26.
no DOI — not checkedE. Jak, N. Liu, H.G. Lee, and P.C. Hayes: Proc. Lead & Zinc ’95 Int. Symp., Sendai, Min. Mat. Inst. of Japan, Japan, 1995, pp. 747–51.
no DOI — not checkedE. Jak, N. Liu, P. Wu, A.D. Pelton, H.G. Lee, and P.C. Hayes: Proc. 6th AusIMM Extractive Metallurgy Conf., Brisbane, AusIMM, Parkville, Victoria, Australia, 1994, pp. 253–59.
no DOI — not checkedE. Jak, N. Liu, H.G. Lee, and P.C. Hayes: Proc. 6th AusIMM Extractive Metallurgy Conf., Brisbane, AusIMM, Parkville, Victoria, Australia, 1994, pp. 261–68.
no DOI — not checkedE.F. Osborn, R.C. DeVries, K.H. Gee, and H.M. Kraner: Trans. AIME, 1954, vol. 200, pp. 33–45.
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