Chilla, Tobias, et al. “Beyond the Commuter Belt: Graduates’ Plans for Migration and Demographic Change in Rural Areas: The Case of the Haßberge District in Lower Franconia”. Raumforschung Und Raumordnung | Spatial Research and Planning, vol. 66, no. 3, May 2008, pp. 260–270, https://doi.org/10.1007/BF03183161.