@InCollection{,
  Year    = "2019", 
  Title    = "Siebe, Dr. -Ing. Dipl. -Wirt. Ing.Andreas", 
  Author    = "", 
  Booktitle    = "Gronau, Norbert ; Becker, Jörg ; Kliewer, Natalia ; Leimeister, Jan Marco ; Overhage, Sven (Herausgeber): Enzyklopädie der Wirtschaftsinformatik – Online-Lexikon",
  Publisher    = "Berlin : GITO",
  Url    = "https://wi-lex.de/index.php/autoren/autorenverzeichnis/siebe-dr-ing-andreas/", 
  Note    = "[Online; Stand 25. April 2024]",
}