@book { AnatomiePhysiologie,
    title = "Anatomie - Physiologie",
    subtitle = "Arbeitsbuch für Pflegeberufe",
    author = "Josef {Krückels}",
    year = "2019",
    publisher = "Schlütersche Verlagsgesellschaft mbH & Co. KG",
    address = ", Deutschland",
    url = "https://schluetersche.openpublishing.com/document/403773"
}