@book { MultinationalesTeambuildung,
    title = "Multinationales Teambuildung",
    author = "Wolfram {Bürgel}",
    year = "2003",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783832467739",
    url = "https://m.diplom.de/document/222128"
}