Graue Literatur
2010. Federal Reform II in Germany, in: Perspectives on Federalism 2 (2), 1-14 (SSRN: http://ssrn.com/abstract=1670580).
2009. Electoral System and Committee Assignment in the German Bundestag. APSA 2009 Toronto Meeting Paper (SSRN: http://ssrn.com/abstract=1451158).
2008. A Review of EU-Russian Relations. Added Value or Structurally Deficient? CSSEO-Working Paper 131. Levico Terme: Centro Studi Sulla Stori dell’Europa Orientale.
2007. A Review of EU-Russian Relations. Added Value or Structurally Deficient? ZEI-Discussion Paper C 177. Bonn: Center for European Integration Studies.