@book { AromatherapieDieheilendeKrafttherischerle,
    title = "Aromatherapie - Die heilende Kraft ätherischer Öle",
    author = "Dr. Angela {Fetzner}",
    year = "2017",
    publisher = "via tolino media",
    address = "München, Deutschland",
    url = "https://tolino.openpublishing.com/document/1012749"
}