@online{ timsrc, author = "Müther, Herbert AND Wharam, David", title = "Vorlesung Physik III, 56. Stunde", publisher = "Universität Tübingen", year = "2003", month = "Dec", day = "17", url = "https://timms.uni-tuebingen.de:443/tp/UT_20031217_002_physik3_0001", urldate = "2024-03-29" }