@online{ timsrc, author = "Grammig, Joachim", title = "Lecture Advanced Time Series Analysis, 49. Lesson", publisher = "Universität Tübingen", year = "2021", month = "Feb", day = "15", url = "https://timms.uni-tuebingen.de:443/tp/UT_20210215_001_ws2021atsa_0001", urldate = "2024-03-28" }