@book { ErstversorgungvonTraumapatienten,
    title = "Erstversorgung von Traumapatienten",
    author = "Nadja {Sigrist} and David {Spreng}",
    year = "2011",
    publisher = "Schlütersche Verlagsgesellschaft mbH & Co. KG",
    address = ", Deutschland",
    url = "https://schluetersche.openpublishing.com/document/403570"
}