@book { AtlasderUltraschalluntersuchungbeimPferd,
    title = "Atlas der Ultraschalluntersuchung beim Pferd",
    author = "Peter Siegfried {Glatzel}",
    year = "2011",
    publisher = "Schlütersche Verlagsgesellschaft mbH & Co. KG",
    address = ", Deutschland",
    url = "https://schluetersche.openpublishing.com/document/403732"
}