@book { EthnischoderNational,
    title = "Ethnisch oder National?",
    subtitle = "Aspekte der russlanddeutschen Emigration in Deutschland 1919-1969",
    author = "Ute {Richter-Eberl}",
    year = "2001",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1091565"
}