Quelle und Copyright
Quelle: CSCE Helsinki Document 1992: The challenges of change. Helsinki Decisions. [ON-LINE]. [s.l.]: Organization for Security and Co-operation in Europe, [05.08.2003]. Disponible sur http://www.osce.org/docs/english/1990-1999/summits/hels92e.pdf#Anchor_TH_39356.
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