@online{
   timsrc,
   author = "Cederbaum, Carla",
   title = "Vorlesung Geometrie, 27. und 28. Stunde",
   publisher = "Universität Tübingen",
   year = "2022",
   month = "Dec",
   day = "07",
   url = "https://timms.uni-tuebingen.de:443/tp/UT_20221207_001_ws2223geomet_0001",
   urldate = "2024-04-25"
}