@book { Vietnam19681976,
    title = "Vietnam, 1968–1976",
    author = "Pierre {Journoud} and Cécile {Menétrey-Monchau}",
    year = "2012",
    publisher = "Peter Lang Verlag",
    address = "Bruxelles, Belgium",
    doi = "10.3726/978-3-0352-6194-3",
    url = "https://www.peterlang.com/document/1044070"
}