@book { PraktischeParasitologiebeiZooundWildtieren,
    title = "Praktische Parasitologie bei Zoo- und Wildtieren",
    author = "Dr. Wieland {Beck} and Dr. Nikola {Pantchev}",
    year = "2012",
    publisher = "Schlütersche Verlagsgesellschaft mbH & Co. KG",
    address = ", Deutschland",
    url = "https://schluetersche.openpublishing.com/document/403796"
}