1. U.S. Geological Survey: Mineral commodity summaries 2023 (2023), https://www.usgs.gov/. Accessed 3 June 2023
2. D.A. Quintero-Coronel, W.D. Guillin-Estrada, J.L. Echeverri-Roman, H. Maury, L. Corredor, J.A. Ruiz, B.S. Rueda, and A. Gonzalez-Quiroga: Therm. Sci. Eng. Prog., 2022, vol. 32, pp. 1–14.
3. F. Crundwell, M. Moats, V. Ramachandran, T. Robinson, and W.G. Davenport: Extractive Metallurgy of Nickel, Cobalt and Platinum Group Metals, Elsevier, Oxford, 2011.
4. M. Mistry, J. Gediga, and S. Boonzaier: Int. J. Life Cycle Assess., 2016, vol. 21, pp. 1559–72.
5. Q. Jeangros, T.W. Hansen, J.B. Wagner, C.D. Damsgaard, R.E. Dunin-Borkowski, C. Hébert, J. Van Herle, and A. Hessler-Wyser: J. Mater. Sci., 2013, vol. 48, pp. 2893–2907.