@online{
   timsrc,
   author = "Kuhn, Norbert AND Häfelinger, Günter",
   title = "Gold, das besondere Element",
   publisher = "Universität Tübingen",
   year = "2001",
   month = "Jan",
   day = "15",
   url = "https://timms.uni-tuebingen.de:443/tp/UT_20010115_001_rvchemie_0001",
   urldate = "2024-05-04"
}