@online{ timsrc, author = "Leppin, Volker", title = "Vorlesung 1517, 18. Stunde", publisher = "Universität Tübingen", year = "2017", month = "Jul", day = "10", url = "https://timms.uni-tuebingen.de:443/tp/UT_20170710_002_1517_0001", urldate = "2024-11-23" }