@book { ProblemederUtopiebeiChristaWolf,
    title = "Probleme der Utopie bei Christa Wolf",
    subtitle = "Überlegungen zu «Kein Ort. Nirgends» und «Kassandra»",
    author = "Schoro {Pak}",
    year = "1989",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1077142"
}