@online{
   timsrc,
   author = "Klaeren, Herbert AND Sperber, Michael",
   title = "Vorlesung Informatik 1, 43. Stunde",
   publisher = "Universität Tübingen",
   year = "2009",
   month = "Jan",
   day = "20",
   url = "https://timms.uni-tuebingen.de:443/tp/UT_20090120_001_info1_0001",
   urldate = "2024-05-14"
}