@online{
   timsrc,
   author = "Vicanek Martinez, Olivia AND Cederbaum, Carla",
   title = "Vorlesung Geometrie, 49. und 50. Stunde",
   publisher = "Universität Tübingen",
   year = "2023",
   month = "Feb",
   day = "01",
   url = "https://timms.uni-tuebingen.de:443/tp/UT_20230201_001_ws2223geomet_0001",
   urldate = "2024-04-26"
}