@online{ timsrc, author = "Grammig, Joachim", title = "Vorlesung Wahrscheinlichkeit und Risiko, 4. Stunde", publisher = "Universität Tübingen", year = "2021", month = "Apr", day = "26", url = "https://timms.uni-tuebingen.de:443/tp/UT_20210426_002_sose21wahrrisk_0001", urldate = "2024-12-14" }