@book { ZwischenIdentittsgewinnundBewutseinsverlust,
    title = "Zwischen Identitätsgewinn und Bewußtseinsverlust",
    author = "Ruth {Christmann}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1099237"
}