@book { Populationetenvironnement,
    title = "Population et environnement",
    author = "Guy {Brunet}",
    year = "2011",
    publisher = "Peter Lang Verlag",
    address = "Lausanne, Switzerland",
    doi = "10.3726/978-3-0352-0078-2",
    url = "https://www.peterlang.com/document/1052381"
}