@online{ timsrc, author = "Grammig, Joachim", title = "Vorlesung Quantitative Methoden der Wirtschaftswissenschaft, 20. Stunde", publisher = "Universität Tübingen", year = "2021", month = "Dec", day = "20", url = "https://timms.uni-tuebingen.de:443/tp/UT_20211220_002_ws2022quantmethwiwi_0001", urldate = "2024-11-23" }