@online{ timsrc, author = "Zimmermann, Claus AND Schreiber, Frank", title = "Vorlesung Experimentalphysik VI, 39. Stunde", publisher = "Universität Tübingen", year = "2006", month = "Jul", day = "13", url = "https://timms.uni-tuebingen.de:443/tp/UT_20060713_001_exphys6_0001", urldate = "2024-11-21" }