@book { DasKonzeptderHateCrimesinDeutschland,
    title = "Das Konzept der «Hate Crimes» in Deutschland",
    author = "Karsten {Krupna}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1135358"
}