@book { KapitalerhaltungundKonzernfinanzierung,
    title = "Kapitalerhaltung und Konzernfinanzierung",
    author = "Marc {Zimmerling}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1086504"
}