@online{
   timsrc,
   author = "Kohler, Wilhelm",
   title = "Lecture Advanced Microeconomics, 4. and 5. Lesson",
   publisher = "Universität Tübingen",
   year = "2021",
   month = "Oct",
   day = "26",
   url = "https://timms.uni-tuebingen.de:443/tp/UT_20211026_001_ws2022advmicroeco_0001",
   urldate = "2024-04-19"
}