Kinder, Sebastian, Kamil Lis, Wolfdietrich Peiker, and Lech Suwala. 2014. “The Challenging Task of Governing Cross-Border Investment in Peripheral Regions: Polish Investors in Northeast Germany”. Quaestiones Geographicae 33 (4):27-41. https://doi.org/10.2478/quageo-2014-0047.