@book { LeitungsermessenundShareholderValueKonzept,
    title = "Leitungsermessen und Shareholder Value-Konzept",
    author = "Isaschar {Nicolaysen}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1093492"
}