Kai Kühne, and Dieter Sadowski. IAAEG Discussion Papers until 2011, 200801. Institute of Labour Law and Industrial Relations in the European Union IAAEU, Trier, (2008)
Kai Kühne, and Dieter Sadowski. IAAEG Discussion Papers until 2011, 200801. Institute of Labour Law and Industrial Relations in the European Union IAAEU, Trier, (2008)