@book { BasisversorgungvonVogelpatienten,
    title = "Basisversorgung von Vogelpatienten",
    author = "Veit {Kostka} and Marcellus {Bürkle}",
    year = "2014",
    publisher = "Schlütersche Verlagsgesellschaft mbH & Co. KG",
    address = ", Deutschland",
    url = "https://schluetersche.openpublishing.com/document/403881"
}