@book { DieRolledespolnischenFinanzsystemsinderTransformation,
    title = "Die Rolle des polnischen Finanzsystems in der Transformation",
    author = "Jens {Dietrich}",
    year = "2000",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783832420451",
    url = "https://m.diplom.de/document/217475"
}