@book { PatentlsungoderZankapfel,
    title = "Patentlösung oder Zankapfel?",
    author = "Peter K. {Pabisch}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Lausanne, Switzerland",
    url = "https://www.peterlang.com/document/1098866"
}