@book { WissensmanagementinVertriebsnetzwerken,
    title = "Wissensmanagement in Vertriebsnetzwerken",
    author = "Jens {Merten}",
    year = "2000",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783832422646",
    url = "https://m.diplom.de/document/218082"
}