@online{
   timsrc,
   author = "Jochum, Josef",
   title = "Lecture Astroparticle Physics - Dark Matter, 17. Lesson",
   publisher = "Universität Tübingen",
   year = "2005",
   month = "Jun",
   day = "20",
   url = "https://timms.uni-tuebingen.de:443/tp/UT_20050620_001_astrophys_0001",
   urldate = "2024-04-20"
}