@book { IrrefhrungdurchPersonenmarkenundPersonenfirmen,
    title = "Irreführung durch Personenmarken und Personenfirmen",
    author = "Marina {Kopp}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1135574"
}