Stefański, Krzysztof. “The ‘John, Krebs and Company’ Factory in Lodz – a Unique Reinforced Concrete Structure and the History of Its Destruction”. TECHNE. Seria Nowa 1, no. 13 (June 30, 2024): 75–95. Accessed December 6, 2025. https://czasopisma.uni.lodz.pl/tech/article/view/25336.