@book { GastroenterologiebeiHundundKatze,
    title = "Gastroenterologie bei Hund und Katze",
    author = "Jörg M. {Steiner} and Romy M. {Heilmann} and und Jan S. {Suchodolski}",
    year = "2011",
    publisher = "Schlütersche Verlagsgesellschaft mbH & Co. KG",
    address = ", Deutschland",
    url = "https://schluetersche.openpublishing.com/document/403761"
}