@online{ timsrc, author = "Haug, Ingeborg", title = "Vorlesung Botanik, 18. Stunde", publisher = "Universität Tübingen", year = "2021", month = "Jun", day = "22", url = "https://timms.uni-tuebingen.de:443/tp/UT_20210622_002_sose21bot_0001", urldate = "2024-12-14" }