@online{ timsrc, author = "Braun, Daniel", title = "Vorlesung Quantenmechanik, 5. und 6. Stunde", publisher = "Universität Tübingen", year = "2021", month = "Apr", day = "26", url = "https://timms.uni-tuebingen.de:443/tp/UT_20210426_001_sose21quantmech_0001", urldate = "2024-04-25" }