@book { Servicesetenvironnement,
    title = "Services et environnement",
    author = "Charlotte {Fourcroy}",
    year = "2014",
    publisher = "Peter Lang Verlag",
    address = "Bruxelles, Belgium",
    doi = "10.3726/978-3-0352-6453-1",
    url = "https://www.peterlang.com/document/1053845"
}