@book { LaRichessedelaPomoneFranaise,
    title = "«La Richesse de la Pomone Française»",
    subtitle = "Französische Apfelnamen und ihre Motivation",
    author = "Anke {Heyen}",
    year = "2004",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1098106"
}