@book { NewWorkneedsInnerWork,
    title = "New Work needs Inner Work",
    author = "Joana {Breidenbach} and Bettina {Rollow}",
    year = "2019",
    publisher = "Vahlen",
    address = "München, Deutschland",
    url = "https://vahlen.openpublishing.com/document/1219126"
}