@book { RckengerechtesArbeitenimOP,
    title = "Rückengerechtes Arbeiten im OP",
    author = "Angelika {Ammann} and Tim {Ammann}",
    year = "2013",
    publisher = "Schlütersche Verlagsgesellschaft mbH & Co. KG",
    address = ", Deutschland",
    url = "https://schluetersche.openpublishing.com/document/403813"
}