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Aylen, Jonathan (2 January 2019). "Stalinism, autarchy, espionage and Marshall Aid: How US strip mill technology came to Europe". The International Journal for the History of Engineering & Technology. 89 (1–2): 92–121. doi:10.1080/17581206.2020.1782618. S2CID221115131.
Hoffmann, Christian; Van Hoey, Michel; Zeumer, Benedikt (3 June 2020). "Decarbonization challenge for steel". www.mckinsey.com. Retrieved 4 November 2022.
Aylen, Jonathan (2 January 2019). "Stalinism, autarchy, espionage and Marshall Aid: How US strip mill technology came to Europe". The International Journal for the History of Engineering & Technology. 89 (1–2): 92–121. doi:10.1080/17581206.2020.1782618. S2CID221115131.