@online{
   timsrc,
   author = "Häfelinger, Günter",
   title = "Vorlesung Experimentalchemie II, Organische Chemie, SoSe 2002, 20. Stunde",
   publisher = "Universität Tübingen",
   year = "2002",
   month = "May",
   day = "23",
   url = "https://timms.uni-tuebingen.de:443/tp/UT_20020523_002_chemorg_0001",
   urldate = "2024-04-28"
}