@book { StudienkostenundStudienfinanzierunginEuropa,
    title = "Studienkosten und Studienfinanzierung in Europa",
    author = "Stefanie {Schwarz} and Meike {Rehburg}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1093982"
}