@online{ timsrc, author = "Kappler, Andreas", title = "Vorlesung Geomikrobiologie, 18. Stunde", publisher = "Universität Tübingen", year = "2015", month = "Jan", day = "13", url = "https://timms.uni-tuebingen.de:443/tp/UT_20150113_001_geomibio_0001", urldate = "2024-12-22" }