@book { InvestitionenohneGrenzenInvestmentwithoutBorders,
    title = "Investitionen ohne Grenzen- Investment without Borders",
    author = "Chris {Mögelin}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1092077"
}