1. Apeaning, R. W., & Thollander, P. (2013). Barriers to and driving forces for industrial energy efficiency improvements in African industries—a case study of Ghana’s largest industrial area. Journal of Cleaner Production, 53(0), 204–213.
2. ArcelorMittal. (2012). Leading from the top. The reuse of high pressure flue gas from the top of the blast furnace is reducing Arcelormittal’s carbon footprint—and our energy bill! http://flateurope.arcelormittal.com/flatarchivenews/nov/947 . Accessed 20 Oct 2015.
3. ArcelorMittal. (2014a). The company history—site Ruhrort. http://duisburg.arcelormittal.com/amdu_geschichte.html . Accessed 20 Oct 2015.
4. ArcelorMittal. (2014b). The company history—site Bremen. http://bremen.arcelormittal.com/694.html . Accessed 20 Oct 2015.
5. Arens, M., & Worrell, E. (2014). Diffusion of energy efficient technologies in the German steel industry and their impact on energy consumption. Energy, 73(0), 968–977.