@online{
   timsrc,
   author = "Derndinger, Roland",
   title = "Vorlesung Analysis und Schulmathematik, 13. Stunde",
   publisher = "Universität Tübingen",
   year = "2012",
   month = "Jan",
   day = "26",
   url = "https://timms.uni-tuebingen.de:443/tp/UT_20120126_001_schulana_0001",
   urldate = "2024-05-14"
}