@online{
   timsrc,
   author = "Seyfried, Hartmut",
   title = "Vorlesung Dynamik der Erde, 51. Stunde",
   publisher = "Universität Tübingen",
   year = "2013",
   month = "Jan",
   day = "22",
   url = "https://timms.uni-tuebingen.de:443/tp/UT_20130122_002_erdeb_0001",
   urldate = "2024-04-20"
}