@online{
   timsrc,
   author = "Seyfried, Hartmut",
   title = "Vorlesung Dynamik der Erde, 20. Stunde",
   publisher = "Universität Tübingen",
   year = "2012",
   month = "Nov",
   day = "19",
   url = "https://timms.uni-tuebingen.de:443/tp/UT_20121119_001_erdeb_0001",
   urldate = "2024-11-21"
}