@online{
   timsrc,
   author = "Widder, Ellen",
   title = "Kinder-Uni 2005 - Warum gibt es Städte und Dörfer?",
   publisher = "Universität Tübingen",
   year = "2005",
   month = "May",
   day = "03",
   url = "https://timms.uni-tuebingen.de:443/tp/UT_20050503_001_kinderuni2005_0001",
   urldate = "2024-04-25"
}