@online{ timsrc, author = "Lindner, Ekkehard", title = "Vorlesung Experimentalchemie I, Anorganische Chemie, WiSe 1999/2000, 21.12.1999, 39. Stunde", publisher = "Universität Tübingen", year = "1999", month = "Dec", day = "21", url = "https://timms.uni-tuebingen.de:443/tp/UT_19991221_002_chemieanorg_0001", urldate = "2024-05-15" }