@book { UntersuchungenzurKodifizierungderStandardausspracheinDeutschland,
    title = "Untersuchungen zur Kodifizierung der Standardaussprache in Deutschland",
    author = "Uwe {Hollmach}",
    year = "2007",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1102742"
}