@book { KommunikationfrEuropa,
    title = "Kommunikation für Europa",
    author = "Jürgen {Schiewe} and Ryszard {Lipczuk} and Werner {Westphal}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1101316"
}