@online{
   timsrc,
   author = "Ziegler, Thomas",
   title = "Vorlesung Grundlagen der Organischen Chemie, 3. und 4. Stunde",
   publisher = "Universität Tübingen",
   year = "2021",
   month = "Apr",
   day = "20",
   url = "https://timms.uni-tuebingen.de:443/tp/UT_20210420_001_sose21orgchem_0001",
   urldate = "2024-04-19"
}