@book { DieLizenzierungvonMarken,
    title = "Die Lizenzierung von Marken",
    subtitle = "Eine entscheidungs- und transaktionskostentheoretische Analyse",
    author = "Oliver {Braitmayer}",
    year = "1998",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1086942"
}