Amdouni, ImenAkman, IsrafilBauer, AndreasBielen, RafaelBrümmer, HenningKilic, Ayse GülKrutzek, ArturKudrjaschow, EgorRhein, StefanSchmidt, Andreas2014-08-182014-08-182014-02-03http://hdl.handle.net/2003/3357510.17877/DE290R-6911deREST004study thesis