@book { FinanzplatzstruktureninEuropa,
    title = "Finanzplatzstrukturen in Europa",
    author = "Sofia {Harrschar-Ehrnborg}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1093252"
}