@online{
   timsrc,
   author = "Kohler, Wilhelm",
   title = "Lecture Macroeconomics II, 27. and 28. Lesson",
   publisher = "Universität Tübingen",
   year = "2020",
   month = "Feb",
   day = "05",
   url = "https://timms.uni-tuebingen.de:443/tp/UT_20200205_001_makrooeko2_0001",
   urldate = "2024-05-02"
}