@book { AnlegerschutzinderGmbHCoKGaA,
    title = "Anlegerschutz in der GmbH & Co. KGaA",
    author = "Richard {Friedrich}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1101579"
}