Quelle: Speech by German Chancellor Helmut Kohl, Paris 1990 - Second Summit of CSCE Heads of State, 19-21 November 1990. [ON-LINE]. [Vienna]: Organization for Security and Co-operation in Europe, [11.06.2007]. Disponible sur http://www.osce.org/documents/html/pdftohtml/15833_en.pdf.html.

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