@book { berdasAbenteuerzurKooperation,
    title = "Über das Abenteuer zur Kooperation",
    author = "Oliver {Wißner}",
    year = "2002",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783832460570",
    url = "https://m.diplom.de/document/221525"
}