@incollection{2008:khnhardt:from_natio, title = {From National Identities to European Constitutionalism}, year = {2008}, note = {}, booktitle = {European Union - The Second Founding}, pages = {27--71}, edition = {1}, author = {Kühnhardt, Ludger}, publisher = {Nomos}, address = {Baden-Baden}, series = {Schriften des Zentrum für Europäische Integrationsforschung (ZEI)}, volume = {67} }