@online{ timsrc, author = "Haug, Ingeborg", title = "Vorlesung Botanik, 5. Stunde", publisher = "Universität Tübingen", year = "2021", month = "May", day = "04", url = "https://timms.uni-tuebingen.de:443/tp/UT_20210504_001_sose21bot_0001", urldate = "2024-12-14" }