1. 1) F. Oeters, M. Ottow, D. Senk, A. Beyzavi, J. Güntner, H. B. Lüngen, M. Koltermann and A. Buhr: Ullmann’s Encyclopedia of Industrial Chemistry, Iron: 1. Fundamentals and Principles of Reduction Processes, Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim, (2013), 577.
2. 2) Iron Ore Processing for the Blast Furnace, National Steel Pellet Company, https://www.steel.org/~/media/Files/AISI/Making%20Steel/Article%20Files/ironore.PDF, (accessed 2016-10-23).
3. 3) Steel Statistical Yearbook 2017, World Steel Association, Brussels, (2017), 121.
4. 4) I. F. Kurunov: Metallurgist, 54 (2010), 114.
5. 5) T. Kuramochi: J. Clean. Prod., 132 (2016), 81.