@book { DrLauraLeitner6InternistinausLeidenschaft,
    title = "Dr. Laura Leitner #6 – Internistin aus Leidenschaft",
    author = "G. S. {Friebel}",
    year = "2018",
    publisher = "Uksak E-Books",
    address = "Lengerich, Germany",
    url = "https://uksakebooks.grin.com/document/453224"
}