@book { 111RezeptegegenGicht,
    title = "111 Rezepte gegen Gicht",
    subtitle = "Purinarm essen - Schmerzen lindern",
    author = "Sonja {Carlsson}",
    year = "2018",
    publisher = "humboldt",
    address = "Hannover, Deutschland",
    url = "https://schluetersche.openpublishing.com/document/403077"
}