@book { DieRollevonBarrierenimTechnologiemanagement,
    title = "Die Rolle von Barrieren im Technologiemanagement",
    author = "Frank {Schach}",
    year = "2001",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783832437497",
    url = "https://m.diplom.de/document/219432"
}