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A Conceptual Analysis of European Private International Law. The General Issues in the EU and its Member States (Intersentia Studies on Private International Law)
Geschichtswissenschaft in Berlin im 19. und 20. Jahrhundert. Persönlichkeiten und Institutionen, hrsg. von Reimer Hansen und Wolfgang Ribbe, Walter de Gruyter: Berlin/New York 1992, 869 S.(Veröffentlichungen der Historischen Kommission zu Berlin, Band 82).