@book { MarkenbilanzierungundMarkenbewertung,
    title = "Markenbilanzierung und Markenbewertung",
    author = "Robert {Tafelmeier}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1106749"
}