@online{
   timsrc,
   author = "Paravicini, Walther",
   title = "Vorlesung Geometrie, 9. und 10. Stunde",
   publisher = "Universität Tübingen",
   year = "2023",
   month = "Oct",
   day = "31",
   url = "https://timms.uni-tuebingen.de:443/tp/UT_20231031_001_ws2324geomet_0001",
   urldate = "2024-07-27"
}