Growe, A. and Terfrüchte, T. 2023. Significant cities beyond the metropolises? Regiopolises and their role in the German urban system. Raumforschung und Raumordnung | Spatial Research and Planning. 81, 2 (Apr. 2023), 154–169. DOI:https://doi.org/10.14512/rur.756.