@book { RegionaleVerflechtungderNanotechnologie,
    title = "Regionale Verflechtung der Nanotechnologie",
    author = "Jan {Berewinkel}",
    year = "2007",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783836607209",
    url = "https://m.diplom.de/document/228863"
}