@online{
   timsrc,
   author = "Kohler, Wilhelm",
   title = "Lecture Macroeconomics II, 3. and 4. Lesson",
   publisher = "Universität Tübingen",
   year = "2019",
   month = "Oct",
   day = "23",
   url = "https://timms.uni-tuebingen.de:443/tp/UT_20191023_001_makrooeko2_0001",
   urldate = "2024-04-19"
}