@book { DieGopalanStrategie,
    title = "Die Gopalan-Strategie",
    author = "Susanne F. {Gopalan}",
    year = "2012",
    publisher = "dotbooks Verlag",
    address = "München, Deutschland",
    doi = "10.3239/9783943835939",
    url = "https://m.dotbooks.de/document/199279"
}