@book { LiteraturderDDRundBRDimSchattenderBerlinerMauer,
    title = "Literatur der DDR und BRD im Schatten der Berliner Mauer",
    author = "Justyna {Zachara}",
    year = "2015",
    publisher = "BACHELOR + MASTER PUBLISHING",
    address = "Hamburg, Deutschland",
    url = "https://m.bachelor-master-publishing.de/document/308979"
}