@online{ timsrc, author = "Hanack, Michael AND Häfelinger, Günter", title = "Vorlesung Experimentalchemie II, Organische Chemie, SoSe 1999, 27.05.1999, 24. Stunde", publisher = "Universität Tübingen", year = "1999", month = "May", day = "27", url = "https://timms.uni-tuebingen.de:443/tp/UT_19990527_002_chemieorg_0001", urldate = "2024-05-14" }