@online{
   timsrc,
   author = "Leppin, Volker",
   title = "Vorlesung 1517, 4. Stunde",
   publisher = "Universität Tübingen",
   year = "2017",
   month = "May",
   day = "08",
   url = "https://timms.uni-tuebingen.de:443/tp/UT_20170508_002_1517_0001",
   urldate = "2024-04-19"
}