@book { DiedirekteInanspruchnahmedesDOVersicherers,
    title = "Die direkte Inanspruchnahme des D&O-Versicherers",
    author = "David {Ulrich}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/b20961",
    url = "https://www.peterlang.com/document/1140587"
}