@book { StudienzumDramadesrussischenSymbolismus,
    title = "Studien zum Drama des russischen Symbolismus",
    author = "Stephan {Viola}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1072288"
}