@book { ProzeorientierteReorganisationimBro,
    title = "Prozeßorientierte Reorganisation im Büro",
    author = "Ralf {Röttgen}",
    year = "1999",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783832415785",
    url = "https://m.diplom.de/document/217418"
}