@online{
   timsrc,
   author = "Jochum, Josef",
   title = "Lecture Astroparticle Physics - Dark Matter, 20. Lesson",
   publisher = "Universität Tübingen",
   year = "2005",
   month = "Jul",
   day = "04",
   url = "https://timms.uni-tuebingen.de:443/tp/UT_20050704_002_astrophys_0001",
   urldate = "2024-04-26"
}