@book { ProtestimRadio,
    title = "Protest im Radio",
    subtitle = "Die Berichterstattung des Bayerischen Rundfunks über die Studentenbewegung 1967/1968",
    author = "Antje {Eichler}",
    year = "2005",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1097514"
}