@book { UnternehmensweiteAgilitt,
    title = "Unternehmensweite Agilität",
    author = "Jutta {Eckstein} and John {Buck} and Martin {Talamona}",
    year = "2019",
    publisher = "Vahlen",
    address = "München, Deutschland",
    url = "https://vahlen.openpublishing.com/document/1219113"
}