@book { HerderunddieSlaven,
    title = "Herder und die Slaven",
    author = "Peter {Drews}",
    year = "1990",
    publisher = "Biblion",
    address = ", Germany",
    doi = "10.3726/b12263",
    url = "https://www.peterlang.com/document/1066787"
}