@online{ timsrc, author = "Zur Hausen, Harald", title = "Forschungskolloquium 2007", publisher = "Universität Tübingen", year = "2007", month = "Oct", day = "16", url = "https://timms.uni-tuebingen.de:443/tp/UT_20071016_009_forschung2007_0001", urldate = "2024-11-27" }