Nienaber, Birte, and Agnes Kriszan. “Borderless Everyday Live: Residence and Labour Migration As an Expression of Transnational Lifestyles Along the German-Luxembourgish and the German-Polish Borderregions 
”. Raumforschung Und Raumordnung | Spatial Research and Planning, vol. 71, no. 3, June 2013, pp. 221–232, https://doi.org/10.1007/s13147-013-0230-2.