@book { TilidinEinMedikamentalsDroge,
    title = "Tilidin - Ein Medikament als Droge",
    author = "Britta {Greschke}",
    year = "2007",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783836606905",
    url = "https://m.diplom.de/document/229046"
}