Search for: [References = "Klatt, M., \& Herrmann, H. \(2011\). Half Empty or Half Full\? Over 30 Years of Regional Cross\-Border Cooperation Within the EU\: Experiences at the Dutch\-German and Danish\-German Border. Journal of Borderlands Studies, 26, 65\-87. https\:\/\/doi.org\/10.1080\/08865655.2011.590289"]