@book { BewertungvonRegionalfrderprogrammen,
    title = "Bewertung von Regionalförderprogrammen",
    author = "Christin {Liebschner}",
    year = "2007",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783836603409",
    url = "https://m.diplom.de/document/228909"
}