@online{ timsrc, author = "Zimmermann, Claus AND Schreiber, Frank", title = "Vorlesung Experimentalphysik VI, 20. Stunde", publisher = "Universität Tübingen", year = "2006", month = "May", day = "31", url = "https://timms.uni-tuebingen.de:443/tp/UT_20060531_002_exphys6_0001", urldate = "2024-12-22" }