Eichhorn, S., Gerten, C., & Diller, C. (2021). Evaluating and classifying railway stations in North Rhine-Westphalia. A methodological approach to operationalise Transit-Oriented Development. Raumforschung Und Raumordnung | Spatial Research and Planning, 79(1), 21-38. https://doi.org/10.14512/rur.28 (Original work published 2021)