@online{
   timsrc,
   author = "Bartelmann, Matthias",
   title = "Die Enträtselung des Universums",
   publisher = "Universität Tübingen",
   year = "2007",
   month = "Nov",
   day = "06",
   url = "https://timms.uni-tuebingen.de:443/tp/UT_20071106_001_rvunivers_0001",
   urldate = "2024-05-08"
}