Huning, S., Bens, O., & Hüttl, R. F. (2012). Demographic Change beyond the Urban-Rural Divide: Re-Framing Spatial Differentiation in the Context of Migration Flows and Social Networks. DIE ERDE – Journal of the Geographical Society of Berlin, 143(1-2), 153–172. Retrieved from https://die-erde.de/index.php/die-erde/article/view/27