1. The European Steel Association (2018): European Steel in Figures 2018, www.eurofer.org/News%26Events/PublicationsLinksList/201806-SteelFigures.pdf (17.02.2020)
2. Die Wirtschaftvereinigung Stahl: Roheisen- und Rohstahlerzeugung, www.stahl-online.de (28.11.2019)
3. Mandova, H.; Patrizio, P.; Leduc, S.; Kjärstad, J.; Wang, C.; Wetterlund, E.; Kraxner, F.; Gale, W.: Achieving carbon-neutral iron and steelmaking in Europe through the deployment of bioenergy with carbon capture and storage, Journal of Cleaner Production, 218 (2019), pp 118–129
4. European Commission: A Clean Planet for all A European strategic long-term vision for a prosperous, modern, competitive and climate neutral economy, https://eur-lex.europa.eu/legal-content/EN/TXT/HTML/?uri=CELEX:52018DC0773&from=EN (27.02.2020)
5. Schenk, J.; Lüngen, H.-B.: Evaluation of the capabilities of direct and smelting reduction process to enhance energy efficiency and to reduce CO2 emission of the steel production in Europe, in: 7th European Coke and Ironmaking Congress—ECIC, Linz, Austria, 2016, pp 13–23