@book { InnovationscontrollingamBeispieldesFraunhoferInstituts,
    title = "Innovationscontrolling am Beispiel des Fraunhofer Instituts",
    author = "Alpnur {Toprak}",
    year = "2009",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783836632294",
    url = "https://m.diplom.de/document/227007"
}