@book { EKGInterpretationinderKleintierpraxis,
    title = "EKG-Interpretation in der Kleintierpraxis",
    author = "Joaquin {Bernal}",
    year = "2011",
    publisher = "Schlütersche Verlagsgesellschaft mbH & Co. KG",
    address = ", Deutschland",
    url = "https://schluetersche.openpublishing.com/document/403569"
}