@online{ timsrc, author = "Jochum, Josef", title = "Lecture Astroparticle Physics - Dark Matter, 9. Lesson", publisher = "Universität Tübingen", year = "2005", month = "May", day = "23", url = "https://timms.uni-tuebingen.de:443/tp/UT_20050523_001_astrophys_0001", urldate = "2024-03-29" }