@book { LeitungshaftungbeidergeschlossenenKapitalgesellschaft,
    title = "Leitungshaftung bei der geschlossenen Kapitalgesellschaft",
    author = "Claus-Henning {Tillner}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1093239"
}