@book { LeGusiilayunessaidesystmatisation,
    title = "Le Gusiilay : un essai de systématisation",
    subtitle = "Une contribution à l’étude du Jóola",
    author = "Odile {Tendeng}",
    year = "2007",
    publisher = "Peter Lang Verlag",
    address = "Lausanne, Switzerland",
    url = "https://www.peterlang.com/document/1104081"
}