20 years after the collapse of communism : expectations, achievements and disillusions of 1989 - Hayoz, Nicolas Hrsg; Koleva, Daniela 1961- Mitverf; Koleva, Daniela 1961- HerausgeberIn; Jesień, Leszek 1962- HerausgeberIn; Interfaculty Institute for Central and Eastern Europe; Eastern European Day (Interdisciplinary studies on Central and Eastern Europe, 2011)