@book { DiebsglubigeMarkenanmeldung,
    title = "Die bösgläubige Markenanmeldung",
    subtitle = "Geschichte und aktuelle Probleme",
    author = "Michael {Frank}",
    year = "2017",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/b12627",
    url = "https://www.peterlang.com/document/1110232"
}