@online{ timsrc, author = "Wagner, Gerhard", title = "Vorlesung Experimentalphysik VII, 25. Stunde", publisher = "Universität Tübingen", year = "2006", month = "Nov", day = "30", url = "https://timms.uni-tuebingen.de:443/tp/UT_20061130_002_exphys7_0001", urldate = "2024-11-23" }