@book { DerAlltagderMnche,
    title = "Der Alltag der Mönche",
    author = "Andrea {zur Nieden}",
    year = "2008",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783836614252",
    url = "https://m.diplom.de/document/225856"
}