Meyer, Frank, and Judith Miggelbrink. “Subjectivity and Causality in (the Study Of) Migration: Approaches to Rationalizations of Migration-Related Decisions in Shrinking Regions”. Raumforschung Und Raumordnung | Spatial Research and Planning, vol. 73, no. 1, Feb. 2015, pp. 17-30, https://doi.org/10.1007/s13147-014-0319-2.