@online{ timsrc, author = "Sprachenzentrum Universität Rostock AND Fachsprachenzentrum Universität Tübingen AND Duttlinger, Claudia", title = "UNIcert(R) Imagefilm", publisher = "Universität Tübingen", year = "2013", month = "Aug", day = "06", url = "https://timms.uni-tuebingen.de:443/tp/UT_20130806_001_unicertimage_0001", urldate = "2024-11-25" }