@book { OrganisationsstrukturendeskommunalenImmobilienmanagements,
    title = "Organisationsstrukturen des kommunalen Immobilienmanagements",
    author = "Dirk {Daube}",
    year = "2003",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783832465841",
    url = "https://m.diplom.de/document/221975"
}