@book { SchlsselerfolgsfaktoreninternationalerJointVentures,
    title = "Schlüsselerfolgsfaktoren internationaler Joint Ventures",
    author = "Jochen {Penker}",
    year = "2005",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783832490270",
    url = "https://m.diplom.de/document/224186"
}