@book { Lavariationenquestions,
    title = "La variation en question(s)",
    author = "Henry {Tyne} and Mireille {Bilger} and Paul {Cappeau} and Emmanuelle {Guerin}",
    year = "2017",
    publisher = "Peter Lang Verlag",
    address = "Bruxelles, Belgium",
    doi = "10.3726/b10950",
    url = "https://www.peterlang.com/document/1113282"
}