@online{ timsrc, author = "Jochum, Josef AND Gutsche, Thomas", title = "Vorlesung Physik Grundkurs 2 (Elektromagnetismus), 4. Stunde", publisher = "Universität Tübingen", year = "2019", month = "Apr", day = "17", url = "https://timms.uni-tuebingen.de:443/tp/UT_20190417_002_physgk2_0001", urldate = "2024-03-28" }