@online{ timsrc, author = "Kemen, Eric", title = "Vorlesung Bau und Funktion der Pflanzen und Tiere, 19. Stunde", publisher = "Universität Tübingen", year = "2019", month = "Dec", day = "20", url = "https://timms.uni-tuebingen.de:443/tp/UT_20191220_002_bufpt_0001", urldate = "2024-11-23" }