@online{ timsrc, author = "Widder, Ellen", title = "Vorlesung Europa um 1400 (1375-1450), 9. Stunde", publisher = "Universität Tübingen", year = "2009", month = "Feb", day = "12", url = "https://timms.uni-tuebingen.de:443/tp/UT_20090212_001_eu1400_0001", urldate = "2024-11-23" }