@online{ timsrc, author = "Braun, Daniel", title = "Vorlesung Quantenmechanik, 53. und 54. Stunde", publisher = "Universität Tübingen", year = "2021", month = "Jul", day = "26", url = "https://timms.uni-tuebingen.de:443/tp/UT_20210726_001_sose21quantmech_0001", urldate = "2024-03-28" }