Gareis, Philipp, et al. “Infrastructure As an Aspect of Quality of Life and Its Influence on Life Satisfaction in Small Towns of the German Region Type Central Location”. 2021. Raumforschung Und Raumordnung | Spatial Research and Planning, vol. 79, no. 1, Feb. 2021, pp. 39-57, https://doi.org/10.14512/rur.9.