@book { Entrerenguerre19141918desBalkansaumonde,
    title = "Entrer en guerre, 1914-1918 : des Balkans au monde",
    author = "Catherine {Horel} and Robert {Frank}",
    year = "2018",
    publisher = "Peter Lang Verlag",
    address = "Bruxelles, Belgium",
    doi = "10.3726/b14327",
    url = "https://www.peterlang.com/document/1113489"
}