@online{
   timsrc,
   author = "Werner, Klaus",
   title = "Vortrag zur Totalen Sonnenfinsternis",
   publisher = "Universität Tübingen",
   year = "1999",
   month = "Aug",
   day = "20",
   url = "https://timms.uni-tuebingen.de:443/tp/UT_19990820_001_werner_0001",
   urldate = "2024-04-26"
}