Schimmelfennig, Frank.

Integration and differentiation in the European Union = theory and policies / by: Leuffen, Dirk.; European Union.; European Union countries; European Union countries; Rittberger, Berthold.; Schimmelfennig, Frank.; SpringerLink (Online service) (書目-電子資源)

The EU, NATO and the Integration of Europe : = Rules and Rhetoric. by: Schimmelfennig, Frank.; Follesdal, Andreas.; Olsen, Johan P.; Ebooks Corporation. (書目-電子資源)