@book { PrivateArbeitsvermittlunginderBRD,
    title = "Private Arbeitsvermittlung in der BRD",
    author = "Thomas {Schlimm}",
    year = "1999",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783832416621",
    url = "https://m.diplom.de/document/217539"
}