Reckendrees, Alfred. “Dynamics of Overlapping Clusters: Industrial and Institutional Revolution in the Industrial District of Aachen, 1800‐1860”. Revista de Historia Industrial — Industrial History Review 26, no. 66 (January 24, 2018): 37–75. Accessed December 4, 2024. https://revistes.ub.edu/index.php/HistoriaIndustrial/article/view/21250.