Tagber: At the Roots of the European Security System: Thirty Years since the Helsinki Final Act Andreas Wenger and Christian Nuenlist, Center for Security Studies, ETH Zurich; Vojtech Mastny and Malcolm Byrne, National Security Archive, George Washington University, Washington DC; Max Guderzo, Machiavelli Center for Cold War Studies, Florence 07.09.2005–10.09.2005, Rüschlikon/Zürich