@online{ timsrc, author = "Haug, Ingeborg", title = "Vorlesung Botanik, 23. Stunde", publisher = "Universität Tübingen", year = "2021", month = "Jul", day = "13", url = "https://timms.uni-tuebingen.de:443/tp/UT_20210713_001_sose21bot_0001", urldate = "2024-12-02" }