@book { 3JahreEuropaEurope3Years,
    title = "3 Jahre Europa – Europe: 3 Years",
    author = "Veronika {Bernard} and Eugene {Sensenig}",
    year = "2020",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/b16741",
    url = "https://www.peterlang.com/document/1058119"
}