@book { InnovativeNetzwerkstruktureninderAutomobilbranche,
    title = "Innovative Netzwerkstrukturen in der Automobilbranche",
    author = "Matthias {Frank}",
    year = "2005",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783832440879",
    url = "https://m.diplom.de/document/219715"
}