@online{
   timsrc,
   author = "Haussmann, Helmut AND Tenzer, Helene",
   title = "Vorlesung Grundlagen der Marktführerschaft, 1. und 2. Stunde",
   publisher = "Universität Tübingen",
   year = "2021",
   month = "Apr",
   day = "29",
   url = "https://timms.uni-tuebingen.de:443/tp/UT_20210429_001_sose21grundmarkt_0001",
   urldate = "2024-04-28"
}