@online{ timsrc, author = "Kohl, Helmut", title = "Die Zukunft Europas", publisher = "Universität Tübingen", year = "2007", month = "Jan", day = "23", url = "https://timms.uni-tuebingen.de:443/tp/UT_20070123_001_rveuro_0001", urldate = "2024-11-23" }