@book { Todesstreifen,
    title = "Todesstreifen",
    subtitle = "Aktionen gegen die Mauer in West-Berlin 1989",
    author = "Dirk {Mecklenbeck} and Raik {Adam}",
    year = "2018",
    publisher = "Ch. Links Verlag",
    address = ", Deutschland",
    url = "https://aufbau.openpublishing.com/document/1705531"
}