@book { SuccessfactorsformarketpenetrationinCIScountries,
    title = "Success factors for market penetration in CIS countries",
    author = "Nataliya {Geppert}",
    year = "2008",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783836623544",
    url = "https://m.diplom.de/document/226392"
}