@book { ErfolgsfaktorenfrvirtuelleTeams,
    title = "Erfolgsfaktoren für virtuelle Teams",
    author = "Irmtraut {Maibach}",
    year = "2004",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783832484323",
    url = "https://m.diplom.de/document/223620"
}