@book { SystemtransformationinderTheorieundinderPraxisamBeispielRusslands,
    title = "Systemtransformation in der Theorie und in der Praxis am Beispiel Russlands",
    author = "Tobias {Wolff}",
    year = "2007",
    publisher = "GRIN Verlag",
    address = "München, Germany",
    doi = "10.3239/9783638011228",
    url = "https://www.hausarbeiten.de/document/84745"
}