@online{ timsrc, author = "Breitmaier, Eberhard", title = "Chemie-Symposium zu Ehren von Ernst Bayer, Eröffnungsvortrag", publisher = "Universität Tübingen", year = "2007", month = "Mar", day = "24", url = "https://timms.uni-tuebingen.de:443/tp/UT_20070324_001_bayersymp_0001", urldate = "2024-03-28" }