@book { PosieetLiturgie,
    title = "Poésie et Liturgie",
    subtitle = "XIX e -XX e  siècles",
    author = "Martine {Bercot} and Catherine {Mayaux}",
    year = "2006",
    publisher = "Peter Lang Verlag",
    address = "Lausanne, Switzerland",
    url = "https://www.peterlang.com/document/1100643"
}